Define expect: to think that something will probably or certainly happen — expect in a sentence. expect meaning, definition, English dictionary, synonym, see also 'I expect ', except',expectant',expert', Reverso dictionary, English simple definition, English. Expect definition, to look forward to; regard as likely to happen; anticipate the occurrence or the coming of: I expect to read it. I expect him later. She expects that. About Browse Word of the Day Quote of the Day Contribute Forums. Kate and Dom are expecting a baby. Learn English, French and other languages Faust project All English simple definitions from our dictionary. Test your knowledge of words related to the season of longer days and vacations. Get our free widgets Add the power of Cambridge Dictionary to your website using our free search box widgets. Up the River Oliver Optic.