I. ˈflāgrənt also -la(i)g- adjective
Etymology: Middle English, from Medieval Latin flagrant-, flagrans, alteration of Latin fragrant-, fragrans — more at fragrant
dialect : fragrant
II. adjective
Etymology: Latin flagrant-, flagrans, present participle of flagrare to flame, burn — more at black
1. archaic : flaming , glowing , burning
2. archaic , of a war or other contest : carried on hotly : raging
3. : extremely, flauntingly, or purposefully conspicuous usually because of uncommon evil, unworthiness, unpleasantness, or truculence : glaringly evident : notorious
flagrant neglect of duty
even in the most flagrant crimes had denied the justice and righteousness of capital punishment — Jack London
Synonyms:
glaring , gross , rank : flagrant may describe offenses or errors so conspicuously or outstandingly bad that it is impossible not to notice them
ended their sinful career by open and flagrant mutiny and were shot for it — Rudyard Kipling
the extremes of wealth and poverty were most flagrant, slums crowding the marble palaces of the rich — Allan Nevins & H.S.Commager
glaring applies to the obtrusively conspicuous; it may suggest the painfully and harshly vivid
this evil is so glaring, so inexcusable by any sophistry that the cleverest landlord can devise — G.B.Shaw
glaring imperfections which go far beyond a mere lack of verbal felicity — J.W.Krutch
gross may refer to inexcusable faults or offenses displayed blatantly, callously, coarsely, and without mitigation or palliation
my anger and disgust at his gross earthy egoism had vanished — W.H.Hudson †1922
an ordinary Fascist type of state, gross, brutal, and violent — William Empson
rank may apply to what is openly objectionable in the extreme and utterly stigmatized
rank heresy
it was hatred, simple hatred, that rank poison fatal to Mr. Hazard's health, which now plagued his veins — Elinor Wylie