[ ahydz ]
/ aɪdz /
Save This Word!

noun (used with a singular or plural verb)

(in the ancient Roman calendar) the fifteenth day of March, May, July, or October, and the thirteenth day of the other months.



Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of ides

1300–50; Middle English <Old French <Latin īdūs (feminine plural); replacing Middle English idus<Latin

Definition for ides (2 of 2)


a Greek plural suffix appearing in scientific names: cantharides.

Origin of -ides

<Greek, plural of -is, suffix of source or origin. See -id1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for ides

British Dictionary definitions for ides

/ (aɪdz) /


(functioning as singular) (in the Roman calendar) the 15th day in March, May, July, and October and the 13th day of each other monthSee also calends, nones

Word Origin for ides

C15: from Old French, from Latin īdūs (plural), of uncertain origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012