Thesaurus

hyperalert

adjective

Synonyms & Antonyms of hyperalert

See the Dictionary Definition 

Learn More About hyperalert

Time Traveler for hyperalert

Time Traveler

The first known use of hyperalert was in 1941

See more words from the same year

Thesaurus Entries Near hyperalert

hyperaggressiveness

hyperalert

hyperarid

See More Nearby Entries 

Cite this Entry

“Hyperalert.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hyperalert. Accessed 3 Jul. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Great Words for Scrabble

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!