Dictionary.com
definitions
  • synonyms

auxiliary

[awg-zil-yuh-ree, -zil-uh-]
See more synonyms for auxiliary on Thesaurus.com
adjective
  1. additional; supplementary; reserve: an auxiliary police force.
  2. used as a substitute or reserve in case of need: The hospital has an auxiliary power system in case of a blackout.
  3. (of a boat) having an engine that can be used to supplement the sails: an auxiliary yawl.
  4. giving support; serving as an aid; helpful: The mind and emotions are auxiliary to each other. Passion is auxiliary to art.
Show More
noun, plural aux·il·ia·ries.
  1. a person or thing that gives aid of any kind; helper.
  2. an organization allied with, but subsidiary to, a main body of restricted membership, especially one composed of members' relatives: The men's club and the ladies' auxiliary were merged into one organization.
  3. auxiliary verb.
  4. auxiliaries, foreign troops in the service of a nation at war.
  5. Navy. a naval vessel designed for other than combat purposes, as a tug, supply ship, or transport.
  6. Nautical. a sailing vessel carrying an auxiliary propulsion engine or engines.
Show More

Origin of auxiliary

1595–1605; < Latin auxiliārius assisting, aiding, helping, equivalent to auxili(um) aid, help (aux(us) increased, augmented (past participle of augēre: aug- increase + -sus, variant of -tus past participle suffix) + -ilium noun suffix) + -ārius -ary

Synonyms

See more synonyms for auxiliary on Thesaurus.com
2. backup, ancillary, secondary. 5. aide, ally, assistant; help.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for auxiliaries

Contemporary Examples

Historical Examples


British Dictionary definitions for auxiliaries

auxiliaries

pl n
  1. foreign or allied troops serving another nation; mercenaries
Show More

auxiliary

adjective
  1. secondary or supplementary
  2. supporting
  3. nautical (of a sailing vessel) having an enginean auxiliary sloop
Show More
noun plural -ries
  1. a person or thing that supports or supplements; subordinate or assistant
  2. nautical
    1. a sailing vessel with an engine
    2. the engine of such a vessel
  3. navy a vessel such as a tug, hospital ship, etc, not used for combat
Show More

Word Origin

C17: from Latin auxiliārius bringing aid, from auxilium help, from augēre to increase, enlarge, strengthen
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 auxiliaries

auxiliary

adj.

c.1600, from Latin auxiliaris "helpful," from auxilium "aid, help, support," related to auctus, past participle of augere "to increase" (see augment).

Show More

auxiliary

n.

"foreign troops in service of a nation at war," c.1600, from auxiliary (adj.). Related: Auxiliaries.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

auxiliaries in Medicine

auxiliary

(ôg-zĭlyə-rē, -zĭlə-rē)
adj.
  1. Functioning in an augmenting capacity; supplementary.
  2. Functioning as a subordinate; secondary.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.