SWEAR BY


Meaning of SWEAR BY in English

If you ~ something, you believe that it can be relied on to have a particular effect. (INFORMAL)

Many people ~ vitamin C’s ability to ward off colds.

PHRASAL VERB: V P n

Collins COBUILD.      Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) .