leave out
phrasal verb. B1 Intermediate Oxford General-service
phrasal verb. to not include someone or something; to omit a part of something.
phrasal verb. to exclude or omit (a person, thing, or detail) from a group, list, or text; transitive phrasal verb with separable particles.
Don't leave out the important details.
The teacher asked the students not to leave out any steps in the experiment.
The editor decided to leave out the controversial paragraph to maintain the book's neutrality.
Usage
takes a direct object — the thing or person being excluded.
Teaching tip
contrast with 'exclude' (more formal) and 'omit' (more academic); 'leave out' is separable, allowing both 'leave the details out' and 'leave out the details'.