chair up
C1 informal inseparable intransitive
In simple words
To become the person in charge who leads a meeting or organisation.
Literal meaning: To move up into the chair — taking the seat of the chairperson.
Meanings
1 C1
idiomatic
informal
(informal) To take on the role of chairperson of a committee, board, or meeting.
"After the previous chair resigned, nobody wanted to chair up until the crisis had passed."
Grammar: inseparable
Usage notes
Very rare. Not a standard or established phrasal verb in most dictionaries. The verb 'chair' alone (to chair a meeting) is far more common. 'Chair up' may occasionally appear in informal or business slang. Learners should use 'chair' or 'head up' instead.
Commonly used with
committee board meeting panel organisation
Forms
Base
chair up
I/you/we/they
3rd person
chairs up
he/she/it
Past simple
chaired up
yesterday
Past participle
chaired up
have + pp
-ing form
chairing up
continuous
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Synonyms
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