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on-site

American

[on-sahyt, awn-] / ˈɒnˈsaɪt, ˈɔn- /

Or on site

adjective

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

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.

See Examples For:

on-site

The airport group said the e-mail addresses obtained by the hackers came from passengers signing up to the airports' on-site WiFi.

From BBC ● Aug. 27, 2026

Raman’s website shows that she met on-site at the cemeteries once in 2023.

From Los Angeles Times ● Aug. 21, 2026

But cracks have shown at the few on-site power projects that have started up, highlighting potential costs to both tech companies and their power providers.

From The Wall Street Journal ● Aug. 20, 2026

Sadighi said that at one of her client’s former on-site data-center power systems, a power provider had to replace equipment worth millions of dollars following a multiday outage.

From The Wall Street Journal ● Aug. 20, 2026

The following morning, the radiation levels at the plant dropped sufficiently for reinforcements to join the Fukushima 50, bringing the total number of workers on-site to 580.

From "Meltdown" by Deirdre Langeland

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