alertness
- a word derived from alert.
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.
My brain remained active for a minute or so, with higher-frequency alpha waves associated with alertness staying strong.
From The Wall Street Journal • Jun. 27, 2026
She kept jurors, lawyers and media on a strict schedule, with only two twenty-minute breaks per day and no lunch time to ensure maximum alertness.
From BBC • May 15, 2026
Studies show that doses as low as 40mg-60mg may improve mood and alertness in middle-aged adults who normally consume little or no caffeine.
From Science Daily • May 13, 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
She was all alertness; her ears swiveled, searching for sounds, and her nose twitched as it picked up fresh scents on every current of air.
From "The Unseen Guest" by Maryrose Wood
