swear by - definition and synonyms

phrasal verb [transitive] informal
present tense
I/you/we/theyswear by
he/she/itswears by
present participleswearing by
past tenseswore by
past participlesworn by
  1. swear by something to believe that something is effective

    My father swears by whisky as a cure for a cold.

See also main entry: swear