[ ih-reg-yuh-lar-i-tee ]
/ ɪˌrɛg yəˈlær ɪ ti /
Save This Word!

noun, plural ir·reg·u·lar·i·ties for 2, 3.
the quality or state of being irregular.
something irregular.
a breach of rules, customs, etiquette, morality, etc.
occasional mild constipation.
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.

Origin of irregularity

1275–1325; Middle English irregularite <Old French <Medieval Latin irrēgulāritās. See ir-2, regularity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use irregularity in a sentence

British Dictionary definitions for irregularity

/ (ɪˌrɛɡjʊˈlærɪtɪ) /

noun plural -ties
the state or quality of being irregular
something irregular, such as a bump in a smooth surface
a breach of a convention or normal procedure
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