[ kuhs-tuh-mer-ee ]
/ ˈkʌs təˌmɛr i /


according to or depending on custom; usual; habitual.
of or established by custom rather than law.
Law. defined by long-continued practices: the customary service due from land in a manor.

noun, plural cus·tom·ar·ies.

a book or document containing the legal customs or customary laws of a locality.
any body of such customs or laws.

Origin of customary

1375–1425; 1515–25 for current senses; late Middle English < Medieval Latin custumārius, customārius, equivalent to costum(i)a custom (also in Vulgar Latin; see custom) + -ārius -ary

SYNONYMS FOR customary

ANTONYMS FOR customary

OTHER WORDS FROM customary Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for non-customary

/ (ˈkʌstəmərɪ, -təmrɪ) /


in accordance with custom or habitual practice; usual; habitual
  1. founded upon long continued practices and usage rather than law
  2. (of land, esp a feudal estate) held by custom

noun plural -aries

  1. a statement in writing of customary laws and practices
  2. a body of such laws and customs

Derived forms of customary

customarily, adverbcustomariness, 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