SINCE 1828

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not until

idiom

Definition of not until

: not before

Not until you finish your homework can you go outside.

When you finish your homework you can go outside, but not until then.

Word by Word Definitions

until play

: to
used as a function word to indicate continuance (as of an action or condition) to a specified time
: before

: up to the time that : up to such time as

See the full definition of until

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