DOUR
dark, dour, glowering, glum, moody, morose, saturnine, sour, sullen
(adjective) showing a brooding ill humor; “a dark scowl”; “the proverbially dour New England Puritan”; “a glum, hopeless shrug”; “he sat in moody silence”; “a morose and unsociable manner”; “a saturnine, almost misanthropic young genius”- Bruce Bliven; “a sour temper”; “a sullen crowd”
dour, forbidding, grim
(adjective) harshly uninviting or formidable in manner or appearance; “a dour, self-sacrificing life”; “a forbidding scowl”; “a grim man loving duty more than humanity”; “undoubtedly the grimmest part of him was his iron claw”- J.M.Barrie
dogged, dour, persistent, pertinacious, tenacious, unyielding
(adjective) stubbornly unyielding; “dogged persistence”; “dour determination”; “the most vocal and pertinacious of all the critics”; “a mind not gifted to discover truth but tenacious to hold it”- T.S.Eliot; “men tenacious of opinion”
Source: WordNet® 3.1
Etymology
Adjective
dour (comparative dourer or more dour, superlative dourest or most dour)
Stern, harsh and forbidding.
Unyielding and obstinate.
Expressing gloom or melancholy; sullenly unhappy.
Synonyms
• (stern, harsh): forbidding, harsh, severe, stern
• (unyielding): obstinate, stubborn, unyielding
• (expressing gloom): dejected, gloomy, melancholic, sullen
Anagrams
• doru, ordu
Source: Wiktionary
Dour, a. Etym: [Cf. F. dur, L. durus.]
Definition: Hard; inflexible; obstinate; sour in aspect; hardy; bold.
[Scot.]
A dour wife, a sour old carlin. C. Reade.
Source: Webster’s Unabridged Dictionary 1913 Edition