1. (n.) A solemn affirmation or declaration, made with a reverent appeal to God for the truth of what is affirmed.

2. (n.) A solemn affirmation, connected with a sacred object, or one regarded as sacred, as the temple, the altar, the blood of Abel, the Bible, the Koran, etc.

3. (n.) An appeal (in verification of a statement made) to a superior sanction, in such a form as exposes the party making the appeal to an indictment for perjury if the statement be false.

4. (n.) A careless and blasphemous use of the name of the divine Being, or anything divine or sacred, by way of appeal or as a profane exclamation or ejaculation; an expression of profane swearing.

Bible oath assurance avouch avouchment avow avowal curse cuss cuss word dirty name dirty word dysphemism epithet expletive extrajudicial oath faith foul invective guarantee guaranty imprecation ironclad oath judicial oath loyalty oath malediction naughty word no-no oath of allegiance oath of office obscenity official oath parole pledge plight profane oath profanity promise solemn declaration solemn oath swear swearword sworn statement test oath troth vow warrant warranty word word of honor