HYPERALERT Synonyms: 61 Similar and Opposite Words

hyperalert

adjective

Definition of hyperalert

as in wakeful

Related Words

Relevance

Dissimilar Words

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

Who hasn’t watched hours of Friends reruns with a bag of Cape Cod chips on a sleepless night?

— Elizabeth Siegel, Allure, 2 Oct. 2026
That might mean more scans, more biopsies, more waiting rooms, more sleepless nights wondering if your body has somehow betrayed you.

— Dr. Sanjay Gupta, CNN Money, 23 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

For instance, did the Soviets invade Afghanistan out of (a) fear of Muslim insurgency, (b) Iran-cognizant Realpolitik or (c) lust for a port on the Persian Gulf?

— Literary Hub, Literary Hub, 28 Sep. 2026
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

Definition of cognizant

Adjective

The actors Nael Nacer and Artemis Pebdani double as Haddad’s great-aunt and -uncle and parents, playing across a spectrum of discomfort and cautious support.

— Jackson McHenry, Vulture, 10 Oct. 2026
Feigenbaum offered a more cautious interpretation, describing some of the violent perpetrators as fringe provocateurs who exploit broader demonstrations without necessarily directing them.

— Efrat Lachter, FOXNews.com, 10 Oct. 2026

Definition of cautious

Adjective

Democratic congressional candidates will also need to be careful about balancing partisan messages to their base with more measured appeals to independent voters.

— Julio Borquez, The Conversation, 8 Oct. 2026
But perhaps the biggest challenge of all was being extremely careful not to pass moral judgment on the story or any of the characters being portrayed.

— Nick Vivarelli, Variety, 8 Oct. 2026

Definition of careful

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.

Cite this Entry

Style

“Hyperalert.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hyperalert. Accessed 14 Oct. 2026.

Copy Citation

Synonyms of hyperalert

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

deportment

Popular in Grammar & Usage

Do You Need a New Language Peeve?

The Exceptions of '-s' and '-es' Plurals

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Popular in Wordplay

The Real Origin of 'Supercalifragilistic'

9 Words That Sound Like Insults But Aren't

7 Words for Bad Endings and Rough Situations

The Words of the Week - Oct. 9

Why do we call it a 'flea market'?

Popular

Do You Need a New Language Peeve?

The Real Origin of 'Supercalifragilistic'

9 Words That Sound Like Insults But Aren't

Games & Quizzes