Dictionary.com
Thesaurus.com

auxiliary verb

American  
[awg-zil-yuh-ree vurb, -zil-uh-] / ɔgˈzɪl jə ri ˌvɜrb, -ˈzɪl ə- /

noun

Grammar.
  1. a verb used before and together with certain forms of other verbs, such as infinitives or participles, to express distinctions of tense, duration, possibility, obligation, etc., as in I am listening, We have spoken, They can see, Did you go?


auxiliary verb British  

noun

  1. a verb used to indicate the tense, voice, mood, etc, of another verb where this is not indicated by inflection, such as English will in he will go, was in he was eating and he was eaten, do in I do like you, etc

"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

auxiliary verb Cultural  
  1. A “helping” verb that modifies the main verb, as in “Gail can win,” “Gail did win,” “Gail could have won.” A question often begins with an auxiliary verb: “Did Gail win?” “Could Gail lose?” The various forms of the verbs can, have, is, and does frequently act as auxiliaries.


Etymology

Origin of auxiliary verb

First recorded in 1755–65

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Similarly, the allegedly unsplittable verb will execute is not a verb at all but two verbs, the auxiliary verb will and the main verb execute.

From "The Sense of Style" by Steven Pinker

Thus the auxiliary verb in Latin was very irregular.

From Lectures on The Science of Language by Max Müller

The union remains, however, a loose one, and when person and tense are manifest by the connection, the auxiliary verb is omitted.

From The Philosophic Grammar of American Languages, as Set Forth by Wilhelm von Humboldt With the Translation of an Unpublished Memoir by Him on the American Verb by Daniel Garrison Brinton

In Mth. the present definite and the imperfect are formed by conjugating the present or past tense respectively of the auxiliary verb with the present participle; thus marait chī, I am striking.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" by Various

Cœpi is a sort of auxiliary verb; incepi is emphatic; hence cœpi has an infinitive, incipere a substantive, for its object.

From Döderlein's Hand-book of Latin Synonymes by Ludwig Döderlein

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training