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

Thesaurus

infectious

adjective

Synonyms and Antonyms of infectious

  1. exciting a similar feeling or reaction in others <an infectious giggle that got the whole class laughing> Synonyms catching, epidemic, contagious, spreadingRelated Words palpable, perceptible, tangible; irresistible (also irresistable), overpowering, overwhelming; disarming, endearing, fetching, inviting, winning, winsome





Seen and Heard

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

WORD OF THE DAY

to work hard

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?

prompt angry oily 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