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

pertussis

play
noun per·tus·sis \pər-ˈtə-səs\

Definition of pertussis



Origin of pertussis

New Latin, from Latin per- thoroughly + tussis cough


First Known Use: circa 1799


Medical Dictionary

pertussis

play
noun per·tus·sis \pər-ˈtəs-əs\

Medical Definition of pertussis




Learn More about pertussis


Seen and Heard

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

WORD OF THE DAY

a timid, meek, or unassertive person

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?

disapprove soothe reduce perplex
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