Among vs. Across

Difference Between Among and Across
Amongpreposition
Denotes a mingling or intermixing with distinct or separable objects. (See Usage Note at amidst)
How can you speak with authority about their customs when you have never lived among them?Acrosspreposition
To, toward, or from the far side of (something that lies between two points of interest).
We rowed across the river.Fortunately, there was a bridge across the river.He came across the street to meet me.Amongpreposition
Denotes a belonging of a person or a thing to a group.
He is among the few who completely understand the subject.Acrosspreposition
On the opposite side of (something that lies between two points of interest).
That store is across the street.Amongpreposition
Denotes a sharing of a common feature in a group.
Lactose intolerance is common among people of Asian heritage.Acrosspreposition
across from: on the opposite side, relative to something that lies between, from (a point of interest).
Acrosspreposition
From one side to the other within (a space being traversed).
The meteor streaked across the sky.He walked across the room.Could you slide that across the table to me, please?Acrosspreposition
At or near the far end of (a space).
Acrosspreposition
Spanning.
This poetry speaks across the centuries.Acrosspreposition
Throughout.
All across the country, voters were communicating their representatives.Acrosspreposition
So as to intersect or pass through or over at an angle.
Lay the top stick across the bottom one.She had straps fastened across the conduit every six feet.Acrosspreposition
In possession of full, up-to-date information about; abreast of.
As a newspaper reporter, you should be across all these issues.Acrossadverb
From one side to the other.
she helped the blind man across;the river is half a mile acrossAcrossadverb
On the other side.
If we sail off at noon, when will we be across?Acrossadverb
In a particular direction.
He leaned across for a book.Acrossadverb
(crosswords) Horizontally.
I got stuck on 4 across.Acrossnoun
A word that runs horizontally in the completed puzzle grid or its associated clue.
I solved all of the acrosses, but then got stuck on 3 down.1 Bygone hangout for 64-AcrossesAcrossadjective
placed crosswise;
spoken with a straight face but crossed fingerscrossed forksseated with arms acrossAcrossadverb
to the opposite side;
the football field was 300 feet acrossAcrossadverb
in such a manner as to be understood and accepted;
she cannot get her ideas acrossAcrossadverb
transversely;
the marble slabs were cut across