Adverb formation in French

Adverb formation describes how one word develops an adverb form. In English, many adjectives form adverbs with -ly, as in slow and slowly.

French often forms adverbs from adjectives with -ment. The exact form depends on the adjective, and some common adverbs follow different patterns or are not based on adjectives.

Adverbs with -ment

Many French adverbs end in -ment. This ending often corresponds to English -ly.

The relationship is easy to see in common adjective and adverb pairs:

Adjective	Adverb
lent	lentement
doux	doucement
heureux	heureusement
sérieux	sérieusement

The adverb describes how an action happens:

French	English
Il marche lentement.	He walks slowly.
Elle parle doucement.	She speaks softly.
Ils travaillent sérieusement.	They work seriously.

The -ment ending does not change for gender or number.

Adverbs from feminine adjective forms

Many adverbs take the feminine form of an adjective as their base.

The common pattern is:

feminine adjective form + -ment

The feminine form makes the relationship between the adjective and adverb clear:

Masculine adjective	Feminine adjective	Adverb
heureux	heureuse	heureusement
sérieux	sérieuse	sérieusement
doux	douce	doucement
naturel	naturelle	naturellement

The adjective changes according to the noun, while the adverb remains unchanged:

French	English
une voix douce	a soft voice
Elle parle doucement.	She speaks softly.
une réponse sérieuse	a serious answer
Il répond sérieusement.	He answers seriously.

The feminine form therefore provides the base for many adverbs even though the adverb itself has no gender.

Adverbs from adjectives ending in a vowel

When the masculine adjective already ends in a vowel, French often adds -ment directly to that form.

The pattern is:

masculine adjective form + -ment

Common forms include:

Adjective	Adverb
vrai	vraiment
poli	poliment
absolu	absolument

These adverbs use the same base as the masculine adjective:

French	English
C'est vraiment utile.	It's really useful.
Il répond poliment.	He answers politely.
Elle refuse absolument.	She absolutely refuses.

This pattern avoids an unnecessary additional feminine ending before -ment.

-amment and -emment endings

Adjectives ending in -ant and -ent often form their adverbs with -amment or -emment.

Adjectives in -ant commonly produce adverbs in -amment:

Adjective	Adverb
constant	constamment
courant	couramment
élégant	élégamment

Adjectives in -ent commonly produce adverbs in -emment:

Adjective	Adverb
prudent	prudemment
évident	évidemment
récent	récemment

Although the spellings differ, -amment and -emment have the same pronunciation.

These forms appear in ordinary descriptions of actions and situations:

French	English
Elle parle couramment français.	She speaks French fluently.
Il conduit prudemment.	He drives carefully.
Ils voyagent constamment.	They travel constantly.

Spelling changes in adverb formation

Some adjective-based adverbs change their spelling as the adverb forms. These changes often affect the stem or an unstressed vowel before -ment.

Common spelling changes include:

Adjective	Adverb
profond	profondément
énorme	énormément
précis	précisément

The spelling change belongs to the adverb form:

French	English
Elle réfléchit profondément.	She thinks deeply.
Le prix augmente énormément.	The price increases enormously.
Il explique précisément le problème.	He explains the problem precisely.

These forms are best learned together with the adjective because the written change is not always visible from the basic formation rule alone.

Irregular adverbs

Some common adverbs do not follow the usual -ment patterns.

Several important adjective and adverb pairs use different words:

Adjective	Adverb
bon	bien
mauvais	mal
meilleur	mieux

The adjective describes a noun, while the adverb modifies an action or another description:

French	English
C'est un bon restaurant.	It's a good restaurant.
On mange bien ici.	We eat well here.
C'est une mauvaise idée.	It's a bad idea.
Il chante mal.	He sings badly.

Other adverbs have irregular formations that need to be learned individually, such as gentiment from gentil and brièvement from bref.

Adverbs not formed from adjectives

Many common French adverbs do not come from adjectives. They exist as independent words.

These adverbs often express time, frequency, place, or degree:

French	English
très	very
souvent	often
toujours	always
jamais	never
ici	here
là	there
demain	tomorrow
déjà	already

Their forms do not follow an adjective-to-adverb formation pattern.

These words function directly as adverbs in sentences:

French	English
Elle travaille souvent.	She often works.
Nous partons demain.	We are leaving tomorrow.
Il est déjà ici.	He is already here.
C'est très intéressant.	It's very interesting.

From learning to practice

When reading or listening to French, notice adverbs that end in -ment, -amment, and -emment. Compare them with related adjectives and look for changes in the stem or ending.

Also pay attention to frequent adverbs such as bien, mal, souvent, and déjà, which do not follow the main formation pattern.

What you'll learn