ENGLISH
REFERENCE

back out

phr. v..
B2 Upper Intermediate Oxford

phr. v.. to decide not to do something you previously agreed to do.

phr. v.. to withdraw from a commitment, agreement, or undertaking before it is completed.


SIMPLE

He promised to help, but he backed out at the last minute.

CONTEXTUAL

The investors decided to back out of the deal when they saw the company's falling profits.

COMPLEX

Although the contract had been drafted, the lead architect chose to back out, citing irreconcilable creative differences with the primary developer.

Particles
out
Separability
inseparable
Pattern
back + out (+ of + object)
Usage

often followed by the preposition 'of' when the specific commitment is mentioned.

Teaching tip

contrast with 'cancel'; 'back out' implies a withdrawal from a social or legal obligation that was already in motion.

Pitfall

He backed out the agreement.He backed out of the agreement.when an object follows, the preposition 'of' must be used after the particle 'out'.

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