A course with a series of physical challenges that one performs sequentially. / (figuratively) A painful and strenuous experience; hassle.

(art, archaic) chiaroscuro

(psychiatry) A personality disorder characterized by an extreme pattern of concern with orderliness, perfectionism, excessive attention to details, mental and interpersonal control

(archaic) chiaroscuro

Alternative form of clare-obscure

A rudimentary building used by people making field observations.

plural of observation hut

Synonym of grawlix (string of typographical symbols used to represent obscenity)

plural of obscenicon

Synonym of compulsive decluttering