phlegmatic

/fleg-ˈma-tik/

Middle English fleumatik, flemmatik, fleugmatik, borrowed from Anglo-French & Late Latin; Anglo-French fleumatike, borrowed from Late Latin phlegmaticus "relating to or producing the humor phlegm," borrowed from Greek phlegmatikós "abounding in phlegm," from phlegmat-, phlégma "flame, inflammation, phlegm-ikos

adjective

  1. resembling, consisting of, or producing the humor phlegm

  2. having or showing a slow and stolid temperament

impassive stoic phlegmatic apathetic stolid mean unresponsive to something that might normally excite interest or emotion. impassive stresses the absence of any external sign of emotion in action or facial expression. stoic implies an apparent indifference to pleasure or especially to pain often as a matter of principle or self-discipline.