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Crackpot vs. Crank: What's the Difference?

Crackpot and Crank Definitions

Crackpot

An eccentric person, especially one with bizarre ideas.

Crank

A device for transmitting rotary motion, consisting of a handle or arm attached at right angles to a shaft.

Crackpot

Foolish; harebrained
A crackpot notion.

Crank

A clever turn of speech; a verbal conceit
Quips and cranks.

Crackpot

(informal) An eccentric, crazy or foolish person.
Time will tell whether he is a crackpot or a genius for promoting that sort of idea.
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Crank

A peculiar or eccentric idea or action.

Crackpot

(informal) Someone addicted to crack cocaine (i.e. a drug addict).

Crank

A grouchy person.

Crackpot

(informal) Eccentric or impractical.
A crackpot idea

Crank

An eccentric person, especially one who is unduly zealous.
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Crackpot

A whimsically eccentric person.

Crank

(Slang) Methamphetamine.

Crackpot

A whimsically eccentric person

Crank

To start or operate (an engine, for example) by or as if by turning a handle.

Crank

To move or operate (a window, for example) by or as if by turning a handle.

Crank

To make into the shape of a crank; bend.

Crank

To provide with a handle that is used in turning.

Crank

To turn a handle.

Crank

To wind in a zigzagging course.

Crank

Of, being, or produced by an eccentric person
A crank letter.
A crank phone call.

Crank

Liable to capsize; unstable.

Crank

(slang) Strange, weird, odd.

Crank

Sick; unwell.

Crank

Liable to capsize because of poorly stowed cargo or insufficient ballast.

Crank

Full of spirit; brisk; lively; sprightly; overconfident; opinionated.

Crank

A bent piece of an axle or shaft, or an attached arm perpendicular, or nearly so, to the end of a shaft or wheel, used to impart a rotation to a wheel or other mechanical device; also used to change circular into reciprocating motion, or reciprocating into circular motion.
I grind my coffee by hand with a coffee grinder with a crank handle.

Crank

Clipping of crankshaft

Crank

The act of converting power into motion, by turning a crankshaft.
Yes, a crank was all it needed to start.
Give it a forceful crank.

Crank

(archaic) Any bend, turn, or winding, as of a passage.

Crank

(informal) An ill-tempered or nasty person.
Billy-Bob is a nasty old crank! He chased my cat away.

Crank

A twist or turn of the mind; caprice; whim;

Crank

A fit of temper or passion.

Crank

A person who is considered strange or odd by others. They may behave in unconventional ways.
John is a crank because he talks to himself.

Crank

A baseball fan.

Crank

(informal) An amateur in science or other technical subjects who persistently advocates flawed theories
That crank next door thinks he’s created cold fusion in his garage.

Crank

Synonym of methamphetamine.
Danny got abscesses from shooting all that bathtub crank.

Crank

(rare) A twist or turn in speech; word play consisting in a change of the form or meaning of a word.

Crank

(obsolete) A sick person; an invalid.

Crank

(slang) The penis.

Crank

(transitive) To turn by means of a crank.
Motorists had to crank their engine by hand.

Crank

(intransitive) To turn a crank.
He's been cranking all day and yet it refuses to crank.

Crank

To turn.
He's been cranking all day and yet it refuses to crank.

Crank

(transitive) To cause to spin via other means, as though turned by a crank.
I turn the key and crank the engine; yet it doesn't turn over
Crank it up!

Crank

(intransitive) To act in a cranky manner; to behave unreasonably and irritably, especially through complaining.
Quit cranking about your spilt milk!

Crank

(intransitive) To be running at a high level of output or effort.
By one hour into the shift, the boys were really cranking.

Crank

To run with a winding course; to double; to crook; to wind and turn.

Crank

A bent portion of an axle, or shaft, or an arm keyed at right angles to the end of a shaft, by which motion is imparted to or received from it; also used to change circular into reciprocating motion, or reciprocating into circular motion. See Bell crank.

Crank

Any bend, turn, or winding, as of a passage.
So many turning cranks these have, so many crooks.

Crank

A twist or turn in speech; a conceit consisting in a change of the form or meaning of a word.
Quips, and cranks, and wanton wiles.

Crank

A twist or turn of the mind; caprice; whim; crotchet; also, a fit of temper or passion.
Violent of temper; subject to sudden cranks.

Crank

A person full of crotchets; one given to fantastic or impracticable projects; one whose judgment is perverted in respect to a particular matter.

Crank

A sick person; an invalid.
Thou art a counterfeit crank, a cheater.

Crank

Sick; infirm.

Crank

Liable to careen or be overset, as a ship when she is too narrow, or has not sufficient ballast, or is loaded too high, to carry full sail.

Crank

Full of spirit; brisk; lively; sprightly; overconfident; opinionated.
He who was, a little before, bedrid, . . . was now crank and lusty.
If you strong electioners did not think you were among the elect, you would not be so crank about it.

Crank

To run with a winding course; to double; to crook; to wind and turn.
See how this river comes me cranking in.

Crank

A bad-tempered person

Crank

A whimsically eccentric person

Crank

Amphetamine used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant

Crank

A hand tool consisting of a rotating shaft with parallel handle

Crank

Travel along a zigzag path;
The river zigzags through the countryside

Crank

Start by cranking;
Crank up the engine

Crank

Rotate with a crank

Crank

Fasten with a crank

Crank

Bend into the shape of a crank

Crank

(used of boats) inclined to heel over easily under sail

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