Oath

/oʊθ/

Meaning & Definition

noun
A solemn promise, often invoking a divine witness, regarding one's future action or behavior.
He took an oath to serve his country faithfully.
A sworn declaration, especially in a legal context.
The witness had to take an oath before giving her testimony in court.
A formulaic expression used to affirm the truth of a statement.
She swore an oath to tell the truth, the whole truth, and nothing but the truth.
A strong or emphatic expression of a commitment or resolve.
He made an oath to always protect his family.

Etymology

Middle English 'ooth', from Old English 'āð', meaning a solemn promise.

Common Phrases and Expressions

oath of office
A promise taken by officials to perform their duties.
break an oath
To violate a promise.
oath of allegiance
A pledge of loyalty to a country or organization.
take an oath
To formally promise or commit, often in a legal context.

Related Words

oathbreaker
A person who breaks an oath.
vow
A solemn promise, often made in a religious context.
pledge
A serious promise, often regarding monetary contributions.
swear
To take an oath.

Slang Meanings

To express emphasis or truth.
I’m telling you the truth, oath!
A way to swear loyalty.
On my oath, I’ll never let you down.