Dictionary.com

auxiliary

[ awg-zil-yuh-ree, -zil-uh- ]
/ ɔgˈzɪl yə ri, -ˈzɪl ə- /
Save This Word!

Definition of auxiliary

adjective
noun, plural aux·il·ia·ries.
QUIZ
TAKE JOY IN ACING THIS QUIZ ON “PRIDE” SYNONYMS
Hold your head up high as you embark on this quiz that explores some of the synonyms and meanings of “pride.”
Question 1 of 7
What does "dignity" mean?

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use auxiliary in a sentence

British Dictionary definitions for auxiliary

auxiliary
/ (ɔːɡˈzɪljərɪ, -ˈzɪlə-) /

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

Word Origin for auxiliary

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

Medical definitions for auxiliary

auxiliary
[ ôg-zĭlyə-rē, -zĭlə-rē ]

adj.
Functioning in an augmenting capacity; supplementary.
Functioning as a subordinate; secondary.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
FEEDBACK