Simple Definition of oath
: a formal and serious promise to tell the truth or to do something
: an offensive or rude word that is used to express anger, frustration, surprise, etc.
Full Definition of oath
plural oaths play \ˈōthz, ˈōths\
1 a (1) : a solemn usually formal calling upon God or a god to witness to the truth of what one says or to witness that one sincerely intends to do what one says (2) : a solemn attestation of the truth or inviolability of one's words b : something (as a promise) corroborated by an oath
2 : an irreverent or careless use of a sacred name; broadly : swearword
Examples of oath
an oath to defend the nation
He uttered an oath and walked away.
Origin of oath
Middle English ooth, from Old English āth; akin to Old High German eid oath, Middle Irish oeth
First Known Use: before 12th century
OATH Defined for Kids
Definition of oath
plural oaths \ˈōthz, ˈōths\
1 : a solemn promise to tell the truth or do a specific thing
2 : an obscene or impolite word used to express anger or frustration
Medical Definition of oath
—see hippocratic oath
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