Definition of "vowed":
* To make a solemn promise or pledge.
* To declare something with determination or commitment.
Examples:
* "She vowed to never speak to him again." (past participle used as a verb)
* "They made a vowed commitment to each other." (past participle used as an adjective)
Part of Speech:
* Verb (past participle) when used as a verb in a sentence.
* Adjective when describing a noun, such as "a vowed enemy" or "a vowed pacifist".