Definition of "irregular" []

  • Contrary to rule, accepted order, or general practice: irregular hiring practices. (adjective)
  • Not conforming to legality, moral law, or social convention: an irregular marriage. (adjective)
  • Not straight, uniform, or symmetrical: irregular facial features. (adjective)
  • Of uneven rate, occurrence, or duration: an irregular heartbeat. (adjective)
  • Deviating from a type; atypical. (adjective)
  • Lacking uniformity or symmetry; uneven in shape, position, arrangement, etc (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • Not occurring at expected or equal intervals (adjective)
  • Differing from the normal or accepted practice or routine (adjective)
  • Not according to established standards of behaviour; unconventional (adjective)
  • (of the formation, inflections, or derivations of a word) not following the usual pattern of formation in a language, as English plurals ending other than in -s or -es (adjective)
  • Of or relating to guerrillas or volunteers not belonging to regular forces (adjective)
  • (of flowers) having any of their parts, esp petals, differing in size, shape, etc; asymmetric (adjective)
  • (of merchandise) not up to the manufacturer's standards or specifications; flawed; imperfect (adjective)
  • A soldier not in a regular army (noun)
  • Imperfect or flawed merchandise (noun) (c) HarperCollins Publishers Ltd 2016

Use "irregular" in a sentence
  • "After a preliminary sniff she embarked upon a rapid lecture on what she called my irregular and untidy habits."
  • "He did not think his soul lost by going to bed at dawn, for he liked to write at night; or by doing other things at what she called irregular hours; and he must have been at least astonished on hearing himself asked, three weeks after marriage, _when he intended giving up his versifying habits_?"
  • "The agency said Taylor Bean failed to disclose what it called irregular transactions that raised concerns of fraud."