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while
/waɪl/
noun
An uncertain duration of time, a period of time.
"He lectured for quite a long while."
Synonymsspell
verb
To pass (time) idly.
To occupy or entertain (someone) in order to let time pass.
To loiter.
Similar: hang around, linger
preposition
Until.
conjunction
During the same time that.
"He was sleeping while I was singing."
Although.
"This case, while interesting, is a bit frustrating."
Until.
"I'll wait while you've finished painting."
Practice "while" in context
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