HomeServicesBlogDictionariesContactSpanish Course
Home › Dictionary › English › swear by
← Back to search

Meaning of swear by | Babel Free

Verb CEFR B2

Definitions

  1. To invoke in an oath; to swear upon.
  2. To trust wholeheartedly.
    idiomatic

Equivalents

Deutsch auf etwas schwören schwören
Español jurar por poner la mano en el fuego por
Français ne jurer que par

Examples

“I swear by my Petit Larousse when it comes to learning French.”
“He swears by cream of tartar to make the meringues stiff.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

swear down swear in swear like a cutter swear like a pagan swear like a sailor swear like a trooper

Learn this word in context

See swear by used in real conversations inside our free language course.

Start Free Course

Know this word better than we do? Language is a living thing — help us keep it growing. Collaborate with Babel Free