type B

adjective

: relating to, characteristic of, having, or being a personality that is marked by a lack of aggressiveness and tension and that has been implicated by some studies as a factor decreasing the risk of cardiovascular disease

type B behavior

Word History

First Known Use

1976, in the meaning defined above

Medical Definition

type B

1 of 2 adjective

: relating to, characteristic of, having, or being a personality that is marked by a lack of excessive aggressiveness and tension and that has been implicated by some studies as a factor reducing the risk of cardiovascular disease

type B behavior

type B

2 of 2 noun

: an individual with a type B personality