behind

At or to the back or far side of.

• The children were hiding behind the wall.
• Behind the garage needs clearing asap.

At or to the back or far side of.; Concealed by (something serving as a facade or disguise).figuratively

• Behind the smile was a cruel intention.

At or to the back or far side of.; In the past, from the viewpoint of.figuratively

• All my problems are behind me.

Less forward or advanced than; after.; After in physical progress or distance.

• Smith finished the race a lap behind the others.

Less forward or advanced than; after.; After in developmental progress, score, grade, etc.; inferior to.

• I'm ranked sixth in the French class, behind five other pupils.
• In the cricket match, England are 120 runs behind India.

Less forward or advanced than; after.; After in time.

• London is nine hours behind Tokyo.

Responsible for, being the creator or controller of.

• Who is behind these terrorist attacks?
• Mr Jones was the man behind the redevelopment plan.

Underlying, being the reason for or explanation of.

• What is behind this unexpected decision?

In support of.

• The republicans are fully behind their candidate.

Following, subsequent to; as a result or consequence of; because of.USinformal

• He was like, 'Fuck the police! Fuck you! You know who I am, you gonna quit playing with me, bitch.' I'm like let's go. 'Cause I wasn't trying to go to jail behind that shit.

At or in the rear or back part of something.

• The water flows out through the pipe, and the sediment collects behind.

In a rearward direction.

• We ran and ran, without once looking behind.

So as to come after someone or something in position, distance, advancement, ranking, time, etc.

• The slower runners were left a long way behind.
• In the cricket match, England finished a long way behind.

So as to be still in place after someone or something has departed or ceased to exist.

• I couldn't be bothered to carry the ironing board, so I left it behind.
• He stayed behind after the war.

Backward in time or order of succession; past.

• […] forgetting those things which are behind, and reaching forth unto those things which are before

Behind the scenes in a theatre; backstage.

• ‘After the performance was over I went behind, and spoke to her.’

Not yet brought forward, produced, or exhibited to view; out of sight; remaining.archaic

• We cannot be sure that there is no evidence behind.

Not advanced to the required or expected degree; overdue or in arrears.

• I'm very behind in my schedule.
• My employer is two paychecks behind on paying my salary.

Slow.

• My watch is behind by four minutes.

The rear, back-end.

• This part fits under the behind of the vehicle.
• She sneaked up on me from behind.

The buttocks, bottom, butt.informal

• I was stung on the behind by a wasp.

Synonym of ass (“synecdochic: a person or their body”).euphemistic

• Get your lazy behind out of bed!

A one-point score.

• A roar from ten thousand throats go up, For we've kicked another behind.

The catcher.slang

In the Eton College field game, any of a group of players consisting of two "shorts" (who try to kick the ball over the bully) and a "long" (who defends the goal).