Phlegmatical

phleg·mat·ic  (flg-mtk) also phleg·mat·i·cal (--kl)

adj.

1. Of or relating to phlegm; phlegmy.

2. Having or suggesting a calm, sluggish temperament; unemotional.

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[Middle English fleumatik, from Old French fleumatique, from Late Latin phlegmaticus, full of phlegm, from Greek phlegmatikos, from phlegma, phlegmat-, heat, the humor phlegm, from phlegein, to burn; see bhel-¹ in Indo-European roots.]

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phleg·mati·cal·ly adv.

Thesaurus

Adj.

1.

phlegmatical - showing little emotion; "a phlegmatic...and certainly undemonstrative man" phlegmatic unemotional - unsusceptible to or destitute of or showing no emotion