Idiom idiom
swear by
Meaning
To trust wholeheartedly.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
Examples
“I swear by this coffee brand.”
“My sister swears by this natural remedy whenever she has a bad headache.”
“Professional chefs often swear by the quality of copper pans, claiming they provide the precise heat control necessary for delicate sauces.”
Anchors to
Last updated August 10, 2026