Thesaurus.com
Dictionary.com
Definitions

sentry

[sen-tree] / ˈsɛn tri /
NOUN
watcher
Synonyms
STRONGEST
STRONG


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.

New technologies like distributed acoustic sensing and Seabed Sentry are being developed to monitor and protect vulnerable submarine cables.

From The Wall Street Journal • Apr. 9, 2026

They show the E-3 Sentry aircraft appears to have been split in two.

From BBC • Mar. 29, 2026

The event is the PGA Tour's first of 2026, after the cancellation of The Sentry at Kapalua because of drought and water restrictions on the nearby island of Maui.

From Barron's • Jan. 18, 2026

Last month Nato announced the creation of a mission dubbed Eastern Sentry, which it said would enhance the alliance's vigilance along the entire eastern flank.

From BBC • Oct. 29, 2025

Sentry after sentry, all along, in camp after camp, followed that example, front and rear.

From The Lost Gold of the Montezumas A Story of the Alamo by Stoddard, William O.




Vocabulary lists containing sentry


Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "sentry" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com