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View definitions for sentinel

sentinel

noun as in sentry

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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.

Climate change is sure to batter this stone sentinel with higher seas and stronger storms.

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"Since dolphins are considered environmental sentinels for toxic exposures in marine environments," Dr. David Davis at the Miller School of Medicine explains, "there are concerns about human health issues associated with cyanobacterial blooms."

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Dogs get more tick bites and are tested more often for vector-borne diseases than people, so they can be sentinels for their owners.

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All of Orange County Fire Watch’s sentinels started as volunteers with the county parks or the Irvine Ranch Conservancy, which boast pools of 1,200 and 500 volunteers, respectively.

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"You've just murdered a sentinel of time and elemental spirit of Northumberland," he raged on social media.

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From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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