Synonyms of oath

oath

noun

ˈōth 

as in promise

a person's solemn declaration that he or she will do or not do something

I need your oath that you won't do anything until I've had time to make a decision

Synonyms & Similar Words

• promise
• vow
• pledge
• word
• assurance
• commitment
• troth
• obligation
• contract
• covenant
• agreement
• appointment
• engagement
• arrangement
• guarantee
• guaranty
• security
• undertaking
• token
• compact
• warranty
• bond
• gage
• deposit
• bail
• pawn

Example Sentences

Recent Examples of oath

The Ottomans also made use of a kind of oath of allegiance, known as ahdname, which early on took the form of a privilege granted by the sultan to the other side. — Foreign Affairs, 18 Aug. 2026

Rituals are performed, oaths proposed and broken, and tensions escalate as the unburied body decays. — Georg Szalai, HollywoodReporter, 10 Aug. 2026

On Thursday, the Chicago Board of Education members failed our oath to Chicago’s students, parents, families, employees and taxpayers. — Angel Gutierrez, Chicago Tribune, 3 Aug. 2026

So now poor Hugh must decide between his oaths to Rhaenyra and his wife, who stubbornly (and rather stupidly) remains. — Erik Kain, Forbes.com, 27 July 2026