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

Thesaurus

optimism

noun

Synonyms and Antonyms of optimism

  1. an inclination to believe in the most favorable outcome <your perpetual optimism even when things look bleak> Synonyms bullishness, sanguinity Related Words brightness, cheerfulness, perkiness, sunniness; hope, hopefulness, rosiness; idealism, meliorism Near Antonyms skepticism; apprehension, caution, concern; cynicism; despair, desperation, discouragement, disheartenment, hopelessness; bleakness, cheerlessness, dreariness, gloom, gloominess; pragmatism, realism Antonyms bearishness, pessimism





Seen and Heard

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

WORD OF THE DAY

to dishevel or rumple

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

soothe perplex disapprove reduce
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