take one up
B2 informal separable transitive
In simple words
To say 'yes' to an offer someone made to you.
Meanings
1 B2
idiomatic
informal
To accept an offer or invitation that was previously made.
"You offered to cook dinner next time I visited — I'm going to take you up on that."
Grammar: separable
2 B2
idiomatic
informal
To accept a challenge or dare.
"He said nobody could beat him at chess, so I took him up on it — and won."
Grammar: separable
Usage notes
This is a contracted form of 'take someone up on something.' Most naturally used in informal speech. The full form 'I'll take you up on that' is more common in written English.
Commonly used with
offer bet invitation challenge proposal suggestion
Forms
Base
take one up
I/you/we/they
3rd person
takes one up
he/she/it
Past simple
took one up
yesterday
Past participle
taken one up
have + pp
-ing form
taking one up
continuous
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Synonyms
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