type A

adjective

Definition of type A

: 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

First Known Use of type A

1970, in the meaning defined above

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More Definitions for type A

type A

adjective

Medical Definition of type A

 (Entry 1 of 2)

: 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

type A

noun

Medical Definition of type A (Entry 2 of 2)

: an individual with a type A personality