Auxiliary, which comes from the Latin noun auxilium, meaning “aid,” “assistance,” or “reinforcement,” is used in a wide range of capacities in English to describe a person or thing that assists another.

AUXILIARY definition: 1. giving help or support, especially to a more important person or thing: 2. a person whose job…. Learn more.

Common auxiliary verbs include be, do, and have, as well as modal verbs like can, will, and must. Understanding how to use auxiliary verbs correctly helps you speak and write more fluently in English.

Feb 24, 2026 · “Auxillary” is a common misspelling and should be avoided. The word “auxiliary” refers to providing additional support or help. For example, in a sentence, you could say, “The school hired an …

AUXILIARY definition: additional; supplementary; reserve. See examples of auxiliary used in a sentence.

Sep 1, 2022 · Learn about auxiliary verbs, how to use them, and how to differentiate between modal auxiliary verbs, with examples of each type.

AUXILIARY meaning: 1. giving help or support, especially to a more important person or thing: 2. a person whose job…. Learn more.

Auxiliary verbs, also known as helping verbs, are used with main verbs to show tense, voice, mood, or possibility. Common auxiliary verbs include is, am, are, was, were, have, has, had, will, shall, can, …

The Latin word auxilium means "help," and so auxiliary means something that "helps" by providing backup or support. Think of auxiliary verbs (sometimes called helper verbs), that provide support …

Jun 20, 2026 · The simple definition of AUXILIARY is available to provide extra help, power, etc., when it is needed.