Slack vs. Stack

Slack and Stack Definitions
Slack
Not tense or taut; loose
A slack rope.
Slack muscles.
Stack
An orderly pile, especially one arranged in layers
A stack of newspapers.
Slack
Lacking in activity; not busy
A slack season for the travel business.
Stack
A large, usually conical pile of straw or fodder arranged for outdoor storage.
Slack
Moving slowly; sluggish
A slack pace.
Stack
(Computers) A section of memory and its associated registers used for temporary storage of information in which the item most recently stored is the first to be retrieved.
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Slack
Lacking in diligence or due care or concern; negligent
A slack worker.
Stack
A group of three rifles supporting each other, butt downward and forming a cone.
Slack
Flowing or blowing with little speed
A slack current.
Slack winds.
Stack
A chimney or flue.
Slack
(Linguistics) Pronounced with the muscles of the tongue and jaw relatively relaxed; lax.
Stack
A group of chimneys arranged together.
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Slack
To make looser or less taut
Slacked the sail.
Stack
A vertical exhaust pipe, as on a ship or locomotive.
Slack
To make slower
Slacked our pace.
Stack
An extensive arrangement of bookshelves.
Slack
To be careless or remiss in doing
Slack one's duty.
Stack
The area of a library in which most of the books are shelved.
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Slack
To slake (lime).
Stack
A stackup.
Slack
To be or become slack.
Stack
An English measure of coal or cut wood, equal to 108 cubic feet (3.06 cubic meters).
Slack
To be inactive or avoid work
Slacked around the house all day.
Stack
(Informal) A large quantity
A stack of work to do.
Slack
A loose part, as of a rope or sail
Hauled in the slack.
Stack
To arrange in a stack; pile.
Slack
A period of little activity; a lull
A slack in business.
Stack
To load or cover with stacks or piles
Stacked the dishwasher.
Slack
A cessation of movement in a current of air or water.
Stack
(Games) To prearrange the order of (a deck of cards) so as to increase the chance of winning.
Slack
An area of still water.
Stack
To prearrange or fix unfairly so as to favor a particular outcome
Tried to stack the jury.
Slack
Unused capacity
Still some slack in the economy.
Stack
To direct (aircraft) to circle at different altitudes while waiting to land.
Slack
Slacks Casual pants that are not part of a suit.
Stack
To form a stack
Make sure the boxes stack neatly against the wall.
Slack
A mixture of coal fragments, coal dust, and dirt that remains after screening coal.
Stack
(heading) A pile.
Slack
A small dell or hollow.
Stack
A large pile of hay, grain, straw, or the like, larger at the bottom than the top, sometimes covered with thatch.
Slack
A bog; a morass.
Stack
A pile of similar objects, each directly on top of the last.
Please bring me a chair from that stack in the corner.
Slack
In a slack manner
A banner hanging slack.
Stack
(UK) A pile of poles or wood, indefinite in quantity.
Slack
(uncountable) The part of anything that hangs loose, having no strain upon it.
The slack of a rope or of a sail
Take in the slack
Stack
A pile of wood containing 108 cubic feet. (~3 m³)
Slack
(countable) A tidal marsh or shallow that periodically fills and drains.
Stack
An extensive collection
Slack
Unconditional listening attention given by client to patient.
Stack
A smokestack.
Slack
(rail) A temporary speed restriction where track maintenance or engineering work is being carried out at a particular place.
Stack
(heading) In computing.
Slack
(countable) A valley, or small, shallow dell.
Stack
(programming) A linear data structure in which items inserted are removed in reverse order (the last item inserted is the first one to be removed).
History stack
Slack
(mining) Small coal; coal dust.
Stack
A stack data structure stored in main memory that is manipulated during machine language procedure call related instructions.
Slack
(normally said of a rope) Lax; not tense; not firmly extended.
A slack rope
Stack
An implementation of a protocol suite (set of protocols forming a layered architecture).
A TCP/IP stack is a library or set of libraries or of OS drivers that take care of networking.
Slack
Weak; not holding fast.
A slack hand
Stack
A combination of interdependent, yet individually replaceable, software components or technologies used together on a system.
Slack
Moderate in some capacity.
Stack
(math) A generalization of schemes in algebraic geometry and of sheaves.
Slack
Moderately warm.
A slack oven
Stack
(geology) A coastal landform, consisting of a large vertical column of rock in the sea.
Slack
Moderate in speed.
A slack wind
Stack
(library) Compactly spaced bookshelves used to house large collections of books.
Slack
Lacking diligence or care; not earnest or eager.
Slack in duty or service
Stack
(figuratively) A large amount of an object.
They paid him a stack of money to keep quiet.
Slack
Not active or busy, successful, or violent.
Business is slack.
Stack
(military) A pile of rifles or muskets in a cone shape.
Slack
Excess; surplus to requirements.
The slack capacity of an oil pipeline
Stack
(poker) The amount of money a player has on the table.
Slack
Vulgar; sexually explicit, especially in dancehall music.
Stack
(heading) In architecture.
Slack
(linguistics) Lax.
Stack
A number of flues embodied in one structure, rising above the roof.
Slack
Slackly.
Slack dried hops
Stack
A vertical drainpipe.
Slack
To slacken.
Stack
A fall or crash, a prang.
Slack
(obsolete) To mitigate; to reduce the strength of.
Stack
(bodybuilding) A blend of various dietary supplements or anabolic steroids with supposed synergistic benefits.
Slack
To lose cohesion or solidity by a chemical combination with water; to slake.
Lime slacks.
Stack
(aviation) A holding pattern, with aircraft circling one above the other as they wait to land.
Slack
Small coal; also, coal dust; culm.
Stack
(video games) The quantity of a given item which fills up an inventory slot or bag.
I've got 107 Golden Branches, but the stack size is 20 so they're taking up 6 spaces in my inventory.
Slack
A valley, or small, shallow dell.
Stack
(transitive) To arrange in a stack, or to add to an existing stack.
Please stack those chairs in the corner.
Slack
The part of anything that hangs loose, having no strain upon it; as, the slack of a rope or of a sail.
Stack
To arrange the cards in a deck in a particular manner.
This is the third hand in a row where you've drawn four of a kind. Someone is stacking the deck!
Slack
Lax; not tense; not hard drawn; not firmly extended; as, a slack rope.
Stack
To take all the money another player currently has on the table.
I won Jill's last $100 this hand; I stacked her!
Slack
Weak; not holding fast; as, a slack hand.
Stack
(transitive) To deliberately distort the composition of (an assembly, committee, etc.).
The Government was accused of stacking the parliamentary committee.
Slack
Remiss; backward; not using due diligence or care; not earnest or eager; as, slack in duty or service.
The Lord is not slack concerning his promise, as some men count slackness.
Stack
To crash; to fall.
Jim couldn′t make it today as he stacked his car on the weekend.
Slack
Not violent, rapid, or pressing; slow; moderate; easy; as, business is slack.
C sar . . . about sunset, hoisting sail with a slack southwest, at midnight was becalmed.
Stack
(gaming) To operate cumulatively.
A magical widget will double your mojo. And yes, they do stack: if you manage to get two magical widgets, your mojo will be quadrupled. With three, it will be octupled, and so forth.
Slack
Slackly; as, slack dried hops.
Stack
To place (aircraft) into a holding pattern.
Slack
To become slack; to be made less tense, firm, or rigid; to decrease in tension; as, a wet cord slackens in dry weather.
Stack
To collect precious metal in the form of various small objects such as coins and bars.
Slack
To be remiss or backward; to be negligent.
Stack
(printing) To have excessive ink transfer.
Slack
To lose cohesion or solidity by a chemical combination with water; to slake; as, lime slacks.
Stack
A large and to some degree orderly pile of hay, grain, straw, or the like, usually of a nearly conical form, but sometimes rectangular or oblong, contracted at the top to a point or ridge, and sometimes covered with thatch.
But corn was housed, and beans were in the stack.
Slack
To abate; to become less violent.
Whence these raging firesWill slacken, if his breath stir not their flames.
Stack
An orderly pile of any type of object, indefinite in quantity; - used especially of piles of wood. A stack is usually more orderly than a pile
Against every pillar was a stack of billets above a man's height.
Slack
To lose rapidity; to become more slow; as, a current of water slackens.
Stack
A pile of wood containing 108 cubic feet.
Slack
To languish; to fail; to flag.
Stack
A large quantity; as, a stack of cash.
Slack
To end; to cease; to desist; to slake.
That through your death your lineage should slack.
They will not of that firste purpose slack.
Stack
A number of flues embodied in one structure, rising above the roof.
Slack
To render slack; to make less tense or firm; as, to slack a rope; to slacken a bandage.
Stack
A section of memory in a computer used for temporary storage of data, in which the last datum stored is the first retrieved.
Slack
To neglect; to be remiss in.
Slack not the pressage.
Stack
The section of a library containing shelves which hold books less frequently requested.
Slack
To deprive of cohesion by combining chemically with water; to slake; as, to slack lime.
Stack
To lay in a conical or other pile; to make into a large pile; as, to stack hay, cornstalks, or grain; to stack or place wood.
Slack
To cause to become less eager; to repress; to make slow or less rapid; to retard; as, to slacken pursuit; to slacken industry.
I should be grieved, young prince, to think my presenceUnbent your thoughts, and slackened 'em to arms.
In this business of growing rich, poor men should slack their pace.
With such delayWell plased, they slack their course.
Stack
To place in a vertical arrangement so that each item in a pile is resting on top of another item in the pile, except for the bottom item; as, to stack the papers neatly on the desk; to stack the bricks.
Slack
To cause to become less intense; to mitigate; to abate; to ease.
To respite, or deceive, or slack thy painOf this ill mansion.
Stack
To select or arrange dishonestly so as to achieve an unfair advantage; as, to stack a deck of cards; to stack a jury with persons prejudiced against the defendant.
Slack
Dust consisting of a mixture of small coal fragments and coal dust and dirt that sifts out when coal is passed over a sieve
Stack
An orderly pile
Slack
A noticeable deterioration in performance or quality;
The team went into a slump
A gradual slack in output
A drop-off in attendance
A falloff in quality
Stack
(often followed by `of') a large number or amount or extent;
A batch of letters
A deal of trouble
A lot of money
He made a mint on the stock market
It must have cost plenty
Slack
A stretch of water without current or movement;
Suddenly they were in slack water
Stack
A list in which the next item to be removed is the item most recently stored (LIFO)
Slack
The condition of being loose (not taut);
He hadn't counted on the slackness of the rope
Stack
A large tall chimney through which combustion gases and smoke can be evacuated
Slack
A cord or rope or cable that is hanging loosely;
He took up the slack
Stack
A storage device that handles data so that the next item to be retrieved is the item most recently stored (LIFO)
Slack
Avoid responsibilities and work, be idle
Stack
Load or cover with stacks;
Stack a truck with boxes
Slack
Be inattentive to, or neglect;
He slacks his attention
Stack
Arrange in stacks;
Heap firewood around the fireplace
Stack your books up on the shelves
Slack
Release tension on;
Slack the rope
Stack
Arrange the order of so as to increase one's winning chances;
Stack the deck of cards
Slack
Make less active or fast;
He slackened his pace as he got tired
Don't relax your efforts now
Slack
Become slow or slower;
Production slowed
Slack
Make less active or intense
Slack
Become less in amount or intensity;
The storm abated
The rain let up after a few hours
Slack
Cause to heat and crumble by treatment with water;
Slack lime
Slack
Not tense or taut;
The old man's skin hung loose and gray
Slack and wrinkled skin
Slack sails
A slack rope
Slack
Lacking in strength or firmness or resilience;
Flaccid muscles
Took his lax hand in hers
Gave a limp handshake
A limp gesture as if waving away all desire to know
A slack grip
Slack
Flowing with little speed as e.g. at the turning of the tide;
Slack water
Slack
Lacking in rigor or strictness;
Such lax and slipshod ways are no longer acceptable
Lax in attending classes
Slack in maintaining discipline