behind

The definition of behind means in back, toward the rear, in a former place or late.

(adverb)

An example of behind is a car following another; following behind.
An example of behind is a student sitting in the last row of a class room; sitting behind the class.
An example of behind is leaving something is a place that you have already left; leaving your coat behind.
An example of behind is a late mortgage payment; being behind in a mortgage payment.

Behind means the buttocks.

(noun)

An example of a behind is the rear end.

Behind is the back of something or later than.

(preposition)

An example of behind is when the chair was placed in the back of the woman; the chair was behind her.
An example of behind is when the train arrives an hour late; the train is behind schedule.

See behind in Webster's New World College Dictionary

adverb

Origin: ME bihinden < OE behindan: see be- & hind

remaining after: the dead leave their wealth behind them
1. in the rear of; in back of: he sat behind me
2. following at the rear of
inferior to in position, achievement, etc.
later than; delayed with respect to: to be behind schedule
on the other or farther side of; beyond: behind the hill
gone by or ended for; out of the attention or concern of: his apprenticeship was behind him
1. supporting: fans solidly behind their team
2. prompting or instigating: the mastermind behind the plot
1. hidden by; not yet revealed about: there's something behind this news
2. in the circumstances surrounding or antecedent to

adjective

that follows, as in a line: the person behind

noun

Informal the buttocks

See behind in American Heritage Dictionary 4

adverb

In, to, or toward the rear: We walked behind.
In a place or condition that has been passed or left: I left my gloves behind.
In arrears; late: I fell behind in my payments.
Below the standard level; in or into an inferior position: Don't fall behind in class.
Slow: My watch is running behind.
Archaic Yet to come.

preposition

At the back of or in the rear of: He sat behind her.
On the farther side or other side of; beyond: The broom is behind the door.
In a place or time that has been passed or left by: Their worries are behind them.
a. Later than: The plane was behind schedule.
b. Used to indicate deficiency in performance: behind us in technological development.
a. Hidden or concealed by: hatred hidden behind a bland smile.
b. In the background of; underlying: Behind your every action is self-interest.
In a position or attitude of support: The leaders have the army behind them.
In pursuit of: The police were hard behind the escapees.