ENGLISH
REFERENCE

back out of

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 arrangement before it is completed; typically used when the withdrawal is seen as a failure to fulfill an obligation.


SIMPLE

He decided to back out of the deal at the last minute.

CONTEXTUAL

The company had to back out of the sponsorship agreement due to unexpected financial losses.

COMPLEX

Although the treaty had been signed in principle, several nations threatened to back out of the climate accord unless specific carbon targets were renegotiated.

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

always followed by an object, usually a noun representing a plan, deal, or promise.

Teaching tip

contrast with 'withdraw' (more formal) and 'cancel' (more general); 'back out of' implies a physical or metaphorical retreat from a path already started.

Pitfall

She backed out the wedding.She backed out of the wedding.the preposition 'of' is mandatory to connect the phrasal verb to the object.

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