phlegmatic
adjective/fleɡˈmætɪk/
/fleɡˈmætɪk/
- not easily made angry or upset synonym calm
- a phlegmatic temperament
Word OriginMiddle English (in the sense ‘relating to the humour phlegm’): from Old French fleumatique, via Latin from Greek phlegmatikos, from phlegma ‘inflammation’, from phlegein ‘to burn’.
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phlegmatic