- a solemn appeal to a deity, or to some revered person or thing, to witness one's determination to speak the truth, to keep a promise, etc.: to testify upon oath.
- a statement or promise strengthened by such an appeal.
- a formally affirmed statement or promise accepted as an equivalent of an appeal to a deity or to a revered person or thing; affirmation.
- the form of words in which such a statement or promise is made.
- an irreverent or blasphemous use of the name of God or anything sacred.
- any profane expression; curse; swear word: He slammed the door with a muttered oath.
- to swear solemnly; vow.
- a solemn pronouncement to affirm the truth of a statement or to pledge a person to some course of action, often involving a sacred being or object as witness
- the form of such a pronouncement
- an irreverent or blasphemous expression, esp one involving the name of a deity; curse
- on oath, upon oath or under oath
- under the obligation of an oath
- having sworn to tell the truth, usually with one's hand on the Bible
- to declare formally with an oath or pledge, esp before giving evidence
