while is on the Basic English 850 List.
where - while - whip
while is one of the 1000 most common headwords.
which - while - white

Pronunciation

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Preposition

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Preposition
while

  1. If   happens while   happens, they happen at the same time.
    He fell asleep while sitting at his desk.

Singular
while

Plural
none

  1. A while is a short time.
    After a while I will stop working and cook food for us.

Plain form
while

Third-person singular
whiles

Past tense
whiled

Past participle
whiled

Present participle
whiling

  1. If you while away the time, you spend it doing something not very productive.
    On Sundays, I like to while away the hours by reading.