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on-site

American  
[on-sahyt, awn-] / ˈɒnˈsaɪt, ˈɔn- /
Or on site

adjective

  1. accomplished or located at the site of a particular activity or happening.

    Faculty, staff, and graduate students have two options for on-site childcare.

adverb

  1. on or at a particular site.

    They treated the wounded on-site before putting them on a helicopter for evacuation.

Etymology

Origin of on-site

First recorded in 1955–60

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.

Offering the “highest degree of service,” the building also provides on-site, 24/7 staff.

From MarketWatch • Apr. 30, 2026

Solaris Energy shares rose, driven by its pivot to providing on-site power for AI data centers.

From Barron's • Apr. 28, 2026

Employees of the dozen on-site firms often eat meals as a group.

From The Wall Street Journal • Apr. 24, 2026

Out came Mike, one of two employees I saw on-site.

From Slate • Apr. 20, 2026

There was an on-site Wellness Center with counseling, health, and academic support services.

From "The 57 Bus" by Dashka Slater

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.