Adjective

(en adjective)

Not easily excited to action or passion; calm; sluggish.

* {{quote-book

, year=1873 , author=Jules Verne , title=Around the World in 80 Days , chapter=2 citation , passage=Calm and phlegmatic , with a clear eye, Mr. Fogg seemed a perfect type of that English composure which Angelica Kauffmann has so skilfully represented on canvas.}}

* 2013 , A.O. Scott, “How It Looks to Think: Watch Her,” Rev. of , dir. by Margarethe von Trotta, New York Times 29 May 2013: C1. Print.

Their friendship (immortalized in a splendid volume of letters that has clearly served as one of Ms. von Trotta's sources) is a fascinating study in cultural and temperamental contrast, an impulsive and witty American paired with a steady, phlegmatic German.

(archaic) Abounding in phlegm; as, phlegmatic humors; a phlegmatic constitution.

Generating, causing, or full of phlegm.

* Sir Thomas Browne

cold and phlegmatic habitations

Watery (en).

Adjective

(en adjective)

Lying on its back, reclined

* {{quote-news

, year=2011 , date=December 15 , author=Felicity Cloake , title=How to cook the perfect nut roast , work=Guardian citation , page= , passage=Christmas queen Mary Berry's aubergine five-nut roast, from her Christmas Collection, is, as the name suggests, rather more focused on the nut side of things. Breadcrumbs play second fiddle to a medley of almonds, Brazils, chestnuts, pine nuts and pistachios which, although tangy with lemon juice and garlic, is outrageously dense. A single slice of this could leave you supine in front of the Queen's speech without even the wherewithal to reach for the remote control.}}

Leaning backward, or inclining with exposure to the sun; sloping; inclined.

* Dryden

If the vine / On rising ground be placed, or hills supine .

Negligent; heedless; listless; lethargic; indifferent.

* Woodward

He became pusillanimous and supine , and openly exposed to any temptation.

*

Passive

* 1748 , , Enquiries concerning the human understanding and concerning the principles of moral , London: Oxford University Press: 1973, page 34,

Nothing, therefore, can be more contrary than such a philosophy to the supine indolence of the mind.