back out - definition and synonyms

phrasal verb [intransitive]
present tense
I/you/we/theyback out
he/she/itbacks out
present participlebacking out
past tensebacked out
past participlebacked out
  1. to decide not to do something you agreed to do

    I promised to help and I’m not backing out now.

    back out of:

    We’re hoping that no one will back out of the deal.

See also main entry: back