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

type A

adjective

Definition of type A

  1. :  relating to, characteristic of, having, or being a personality that is marked by impatience, aggressiveness, and competitiveness and that is held to be associated with increased risk of cardiovascular disease <type A behavior>



1970

First Known Use of type a

1970


Medical Dictionary

1

type A

adjective

Medical Definition of type A

  1. :  relating to, characteristic of, having, or being a personality that is marked by impatience, aggressiveness, and competitiveness and that has been implicated by some studies as a factor increasing the risk of cardiovascular disease <type A behavior>




2

type A

noun

Medical Definition of type A

  1. :  an individual with a type A personality




Learn More about type a

  1. Medical Dictionary: Definition of "type A"


Seen and Heard

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

WORD OF THE DAY

to manage or play awkwardly

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?

reduce soothe perplex disapprove
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