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alertness

NOUN
watchfulness
Synonyms


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.

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Today’s ice swimmers rave about the rush and subsequent feelings of alertness, contentment and energy.

From The Wall Street Journal Jul. 6, 2026

One every two hours was better than no walking, but researchers found a five-minute stroll each hour led to the biggest and most feasible improvement in productivity, mood and alertness.

From BBC Jun. 23, 2026

Only participants consuming caffeine experienced reduced anxiety along with better attention and alertness.

From Science Daily May 3, 2026

Here, the very irregularity of the interior environment, including the concrete surfaces — richer and more textured than I expected — heightened my alertness.

From Los Angeles Times Apr. 22, 2026

I proceeded with exceptional alertness and de­liberation, not only to preserve my life but also to give him the right signal.

From "Life of Pi" by Yann Martel




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