Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Thesaurus

halcyon

adjective

Synonyms and Antonyms of halcyon

  1. 1 free from storms or physical disturbance <a halcyon era following the American Civil War> Synonyms calm, hushed, lown [dialect], peaceful, placid, quiet, serene, still, stilly, tranquil, untroubledRelated Words balmy, clement, equable, gentle, mild, moderate, temperate; clear, cloudless, fair, rainless, sunny, sunshiny, windlessNear Antonyms blizzardy (also blizzardly), blustery, squally, windy; extreme, foul, intemperate, nasty, severeAntonyms agitated, angry, inclement, restless, rough, stormy, tempestuous, turbulent, unquiet, unsettled

  2. 2 marked by vigorous growth and well-being especially economically <during those early halcyon years the company's potential for growth seemed unlimited> Synonyms booming, boomy, flourishing, golden, prosperous, healthy, lush, palmy, prospering, roaring, successful, thrivingRelated Words affluent, moneyed (also monied), opulent, rich, substantial, wealthy, well-heeled, well-off, well-to-do; comfortableNear Antonyms declining, dying, failing, floundering, languishing, struggling; bankrupt, bankrupted, insolventAntonyms depressed, unprosperous, unsuccessful




Learn More about halcyon


Seen and Heard

What made you want to look up halcyon? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

immature or lacking adult sophistication

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

angry oily prompt maudlin
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ