Language/French/Grammar/Adverbs-ending-in-—ment-derived-from-the-masculine-form-of-an-adjective

Adverbs ending in —ment derived from the masculine form of an adjective

Where an adjective ends in formed from the masculine -/' (not -oi), -é, or -u (not -eau or -ou), the adverb is form:

Adjective	Feminine	English	Adverb	English
absolu	absolue	absolute	absolument	absolutely
ambigu	ambiguë	ambiguous	ambigument	ambiguously
aisé	aisée	easy	aisément	easily
joli	jolie	pretty	joliment	prettily
vrai	vraie	true	vraiment	truly

Exception:

Adjective	Feminine	English	Adverb	English
Gai	gaie	cheerful	gaiement	cheerfully

Circumflex accent in the adverbial form

Seven adjectives which end in -u but add a circumflex accent in the adverbial form are:

Adjective	Feminine	English	Adverb	English
assidu	assidue	assiduous	assidûment	assiduously
continu	continue	continuous	continûment	continuously
cru	crue	crude	crûment	crudely
dû	due	owed	dûment	duly
goulu	goulue	greedy	goulûment	greedily
incongru	incongrue	incongruous	incongrûment	incongruously
indu	indue	inappropriate	indûment	inappropriately