[ uh-nom-uh-luhs ]
See synonyms for anomalous on
  1. deviating from or inconsistent with the common order, form, or rule; irregular; abnormal: Advanced forms of life may be anomalous in the universe.

  2. not fitting into a common or familiar type, classification, or pattern; unusual: He held an anomalous position in the art world.

  1. incongruous or inconsistent.

  2. Grammar. irregular.

Origin of anomalous

First recorded in 1640–50; from Medieval Latin, Late Latin anōmalus, or directly from Greek anṓmalos “irregular,” equivalent to an- “not, lacking”an-1 + homalós “even,” with ō by analogy with other Greek privatives (cf. anopheles); see an-1, homo-, -ous

Other words from anomalous

  • a·nom·a·lous·ly, adverb
  • a·nom·a·lous·ness, noun

Words that may be confused with anomalous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use anomalous in a sentence

British Dictionary definitions for anomalous


/ (əˈnɒmələs) /

  1. deviating from the normal or usual order, type, etc; irregular, abnormal, or incongruous

Origin of anomalous

C17: from Late Latin anōmalus, from Greek anōmalos uneven, inconsistent, from an- + homalos even, from homos one and the same

Derived forms of anomalous

  • anomalously, adverb
  • anomalousness, noun

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