Meaning & Definition
noun
an oath or a promise.
He gave his swear to uphold the laws of the country.
verb
to make a solemn promise or oath.
He swore to tell the truth in court.
to use profane or offensive language.
She swore loudly when she stubbed her toe.
to affirm or assure with a strong promise.
I swear I didn’t take your book.
Etymology
Middle English swearen, from Old English swerian, related to Latin 'suadere', meaning to advise.
Common Phrases and Expressions
swear by:
To be completely confident in something.
swear off:
To formally reject or renounce something.
swear to God:
To emphasize the truthfulness of one's statement.
Slang Meanings
To seriously emphasize a statement.
I swear on my mother's grave!
To use strong language that may be offensive.
He swore a lot during the argument.