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  1. according to or depending on custom; usual; habitual.
  2. of or established by custom rather than law.
  3. Law. defined by long-continued practices: the customary service due from land in a manor.
noun, plural cus·tom·ar·ies.
  1. a book or document containing the legal customs or customary laws of a locality.
  2. 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
Related formscus·tom·ar·i·ly [kuhs-tuh-mer-uh-lee; for emphasis, kuhs-tuh-mair-uh-lee] /ˈkʌs təˌmɛr ə li; for emphasis, ˌkʌs təˈmɛər ə li/, adverbnon·cus·tom·ar·i·ly, adverbnon·cus·tom·ar·y, adjectiveun·cus·tom·ar·i·ly, adverbun·cus·tom·ar·y, adjective

Synonyms for customary

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Antonyms for customary Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for customarily

Contemporary Examples of customarily

Historical Examples of customarily

British Dictionary definitions for customarily


  1. in accordance with custom or habitual practice; usual; habitual
  2. law
    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 Formscustomarily, 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

Word Origin and History for customarily



1520s, from Medieval Latin custumarius, from Latin consuetudinarius, from consuetitudinem (see custom (n.)). Related: Customarily.

Online Etymology Dictionary, © 2010 Douglas Harper