To make a solemn promise or declaration.

To use offensive language, especially when angry.

गाली देना

English Usage: "He tends to swear when he is frustrated."

Hindi Usage: "वह निराश होने पर गाली देने लगता है।"

A solemn promise or oath, often in a legal context.

शपथ

English Usage: "The witness took the swear before giving their testimony."

Hindi Usage: "गवाह ने अपने बयान देने से पहले शपथ ली।"