back out
verb
backed out; backing out; backs out
intransitive verb
: to withdraw especially from a commitment or contest
Synonyms
- back down
- back off
- cop out
- fink out
- renege
See all Synonyms & Antonyms 
Example Sentences
she backed out on her offer to help with the wedding planning
Word History
First Known Use
1801, in the meaning defined above
back out
verb
as in to back down
to break a promise or agreement she backed out on her offer to help with the wedding planning Synonyms & Similar Words
Relevance
- back down
- back off
- cop out
- fink out
- recall
- withdraw
- wimp out
- renege
- take back
- retract
- go back on
- beg off
- cry off
- chicken (out)
- backtrack
- backpedal
- recant
- unsay
- forswear
- disavow
- abnegate
- abjure
- foreswear
- repudiate
Antonyms & Near Antonyms
- adhere (to)
- comply (with)
- follow through (with)
- satisfy
- honor
- keep
- fulfill
- fulfil