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Definition of ides

ides

/aɪdz/
ides
Plural:ides
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ides Lexical Profile

ides Game Scores & Validity

• noun

1

In the ancient Roman calendar, a day falling roughly in the middle of each month—specifically the 15th day of March, May, July, and October, and the 13th day of all other months—from which other dates were calculated backward.

Example

"In Shakespeare's tragedy, a soothsayer famously warns Julius Caesar to beware the Ides of March."

Word Nuance & Usage

Although plural in form, 'ides' can take either a singular or plural verb and is used almost exclusively in the historical and literary phrase 'the Ides of March' (March 15), the date of Julius Caesar's assassination.

• Rhymes for ides

• Nearby Words

ideologue
ideology
ider river
ides
idiocracy
idiocy
idiom

Word Origin & Etymology

Borrowed via Old French from Latin 'Idus' (plural), a word of uncertain, possibly Etruscan, origin that originally denoted the full moon marking the middle of a lunar month.

Cite this Entry

Wordmom. (2026). Definition of Ides. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/ides
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