Meaning of “do without (sb/sth)” - Learner’s Dictionary

do without (sb/sth)

phrasal verb with do uk us /duː/ verb (past tense did, past participle done)

B2 to manage without having someone or something:

Jack's the kind of player we can't do without.

(Definition of “do without (sb/sth)” from the Cambridge Learner’s Dictionary © Cambridge University Press)