chthonic (en)

(adjective) of or relating to the underworld; infernal

frowsty (en)

(adjective) musty / (adjective) frowsy / having a stale, warm, and stuffy atmosphere.

meliorism (en)

(noun) the belief that the world tends to improve and that humans can aid its betterment

nacre (en)

(noun) mother-of-pearl

otiose (en)

(adjective) producing no useful result; futile / (adjective) being at leisure; idle / (adjective) lacking use or effect; functionless

saturnine (en)

(adjective) born under or influenced astrologically by the planet Saturn / (adjective) cold and steady in mood; slow to act or change / (adjective) of a gloomy or surly disposition / (adjective) having a sardonic aspect

sop (en)

(noun) a piece of food dipped or steeped in a liquid / (noun) a conciliatory or propitiatory bribe, gift, or gesture / (verb) to steep or dip in or as if in liquid / (verb) to wet thoroughly; soak / (verb) mop / (abbreviation) standard operating procedure; standing operating procedure

sybaritic (en)

fond of sensuous luxury or pleasure; self-indulgent (derives from the Greek city Sybaris)