HYPERALERT Synonyms: 61 Similar and Opposite Words

hyperalert

adjective

Definition of hyperalert

as in wakeful

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Example Sentences

Recent Examples of Synonyms for hyperalert

Adjective

In a previous university blog post, Majumdar compared this finding to the brain flushing out byproducts that build up during active, wakeful moments, allowing for a more restful night’s sleep.

— Mack DeGeurin, Popular Science, 9 Sep. 2026
Low to medium doses show a reduction in the alpha frequency of brain waves (which correspond to relaxed and wakeful states), along with rising entropy, a signature finding of sober brains sinking deeper into a trip.

— Oshan Jarow, Vox, 4 Nov. 2024

Definition of wakeful

Adjective

There were certainly plenty of long days and sleepless nights along the way, but seeing the finished space and what it has become made all of that hard work worthwhile.

— Blaine Callahan, Hartford Courant, 7 Sep. 2026
Nelson remembers hushing her foster children back to sleep that night and calling 911, anxious for an end to those sleepless nights.

— Kendrick Calfee, Kansas City Star, 2 Sep. 2026

Definition of sleepless

Adjective

Perhaps as a result, the Norwegian teachers and social workers in the film come off as hypervigilant and occasionally absurd.

— Madeline Leung Coleman, Vulture, 8 Sep. 2026
As anyone reading this who is hypervigilant at noticing and advocating for the missing women in the room can tell you, with training and conscious effort, the absence of women at work can indeed be detected.

— Melissa A. Wheeler, Forbes.com, 21 July 2026

Definition of hypervigilant

Adjective

Still, some cautious Russians of military age, fearing a U-turn, are leaving the country just in case, mindful that the dire need for fresh troops could eventually outweigh the Kremlin’s urge to avoid public outrage.

— Matthew Chance, CNN Money, 22 Sep. 2026
Punkt pairs intentional use with privacy, while Mudita centers mindful living and E Ink displays.

— Ashley Lynch, Fort Worth Star-Telegram, 22 Sep. 2026

Definition of mindful

Adjective

Words can cut deeply from Mercury’s moonwalk in Scorpio, so be cognizant of their ability to contribute to already fraught and tense situations.

— Lisa Stardust, Vogue, 22 Sep. 2026
And in fairness, there was a cognizant effort to keep Ohtani as rested as possible, including a season-long six-man rotation and an attempt to maneuver Ohtani’s starts to line up on games prior to a team off day, when possible.

— Katie Woo, New York Times, 11 Sep. 2026

Definition of cognizant

Adjective

Drug development is highly regulated, and executives have good reasons to be cautious about changing how major decisions are made.

— George Achilleos, Forbes.com, 25 Sep. 2026
McNamara also wanted to create a performance-focused, consumer-centric drive in a business that had grown up under the umbrella of a more cautious pharmaceutical company.

— Andrew Edgecliffe-Johnson, semafor.com, 25 Sep. 2026

Definition of cautious

Adjective

Renault is careful to frame this as a style exercise rather than a preview of a production model.

— New Atlas, New Atlas, 24 Sep. 2026
Awash with new property tax funds, local governments often haven’t been careful stewards of residents’ tax dollars.

— Elaine Parker, The Orlando Sentinel, 24 Sep. 2026

Definition of careful

Adjective

Travelers should be wary of unexpected obstacles littering the roadway as high winds cause trees and power lines to fall.

— Colin Mixson, New York Daily News, 25 Sep. 2026
Opinion has changed, as the public has grown wary of AI and its ability to amass and synthesize many forms of data.

— Mark Pazniokas, Hartford Courant, 25 Sep. 2026

Definition of wary

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

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“Hyperalert.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hyperalert. Accessed 29 Sep. 2026.

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Synonyms of hyperalert

adjective

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