nadir

|ˈnādər; ˈnādi(ə)r|noun [in sing. ]the lowest point in the fortunes of a person or organization : they had reached the nadir of their sufferings.• Astronomy the point on the celestial sphere directly below an observer. The opposite of zenith .

wan

|wän|adjective(of a person's complexion or appearance) pale and giving the impression of illness or exhaustion : she was looking wan and bleary-eyed. See note at pale .• (of light) pale; weak : the wan dawn light.• (of a smile) weak; strained.• poetic/literary (of the sea) without luster; dark andgloomy.

foyer

|ˈfoiər; ˈfoiˌā|nounan entrance hall or other open area in a building used by the public, esp. a hotel or theater.• an entrance hall in a house or apartment.

sclera

|ˈskli(ə)rə|noun Anatomythe white outer layer of the eyeball. At the front of the eye it is continuous with the cornea.

orchidaceous

orchidaceous |ˌôrkiˈdā sh əs|adjective Botanyof, relating to, or denoting plants of the orchid family (Orchidaceae).

septuagenarian

|ˌsep ch oōəjəˈne(ə)rēən|nouna person who is from 70 to 79 years old.

tumescent

tumescent |t(y)oōˈmesənt|adjectiveswollen or becoming swollen, esp. as a response to sexual arousal.• figurative (esp. of language or literary style) pompous or pretentious; tumid : his prose is tumescent, full of orotund language.