Forming the plural of adjectives ending in -al (exceptions)

Most adjectives ending in -al change to -aux (masculine plural) or -ales (feminine plural) - see Forming the plural of adjectives ending in -al - but there are exceptions to that rule.

Look at these cases:

Ces tabourets sont bancals.
These stools are wobbly.

Ce sont des gens banals.
These are ordinary people.

J'adore les défilés navals!
I love naval parades!

The following adjectives are exceptions which take -s in the masculine plural form:

Masculine singular Masculine plural English
banal banals banal / ordinary
bancal bancals wobbly / rickety
fatal fatals fatal / lethal
naval navals naval
natal natals natal
glacial glacials   /  glaciaux freezing
final finals   /  finaux final

 

ATTENTION: 

Both plural forms of glacial and final are accepted in French: regular (glaciaux / finaux) and irregular (glacials / finals)

Il y a des vents glacials aujourd'hui! 
There are some freezing winds today!

Les derniers jours ont été glaciaux !
The last days have been freezing !

 

J'ai reçu mes résultats finaux.
I got my final results.

J'ai reçu mes résultats finals.
I got my final results.

 


See also Forming the plural of nouns ending in -al

Learn more about these related French grammar topics

Examples and resources

Ces serpents sont particulièrement fatals.
These snakes are particularly deadly.


J'adore les défilés navals!
I love naval parades!


Les derniers jours ont été glaciaux !
The last days have been freezing !



Ces tabourets sont bancals.
These stools are wobbly.


J'ai reçu mes résultats finals.
I got my final results.


Ce sont des gens banals.
These are ordinary people.


J'ai reçu mes résultats finaux.
I got my final results.


Il y a des vents glacials aujourd'hui! 
There are some freezing winds today!


Q&A Forum 3 questions, 9 answers

Feminine forms

Are there feminine plural forms?
Asked 11 months ago
CécileKwiziq language super starCorrect answer

HI Dragana,

Indeed, these examples are all feminine and plural forms of adjectives-

Des pierres précieuses = Precious stones

Des averses glaciales = Icy showers

Des boissons fraîches = Cold drinks

Des chemises chères = Expensive shirts

Des pommes rouges Red Apples

Hope this helps! 

 

I think the point of Dragana's question is that only the masculine plural endings are given in this lesson. The reason, I suppose, is that only the masculine endings are irregular - the feminine endings are just -ales as normal.

Thank you Alan. That is exactly what I was asking. So fatal is fatales in Feminine Plural. 

CécileKwiziq language super star
Yes indeed as in " femmes fatales"...

Feminine forms

Are there feminine plural forms?

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Banals/Banaux

Is this pair also interchangeable? This test question suggest otherwise: Which one of these plural forms is wrong? : géniaux, banaux, généraux, totaux
Asked 4 years ago
ChrisC1Correct answer
No, the masculine plural form of "banal" is "banals".

.....except in the very rare case when the adjective "banal" us used in its other meaning: feudal (as in the "feudal system"). In that case the plural masculin is "banaux": "les moulins banaux" = the feudal mills where peasants could mill their grain paying a fraction of it to the lord of the land.

-- Chris (not a native speaker).

Banals/Banaux

Is this pair also interchangeable? This test question suggest otherwise: Which one of these plural forms is wrong? : géniaux, banaux, généraux, totaux

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Re glacials/glaciaux and finals/finaux

Hi, Just to confirm that glacials/glaciaux and finals/finaux can be interchanged, with no rule as to when to use each one? Thanks, Catherine
Asked 0 years ago
AurélieKwiziq language super star
Bonjour Catherine ! Yes that's correct, both spellings are perfectly acceptable and interchangeable.
One of the Kwizbot B1 tests marked "glaciaux" as wrong in a multiple choice question. It would only accept "glacials."
Yes because it was teaching the 'ls' exceptions
AurélieKwiziq language super star
Bonjour Susan ! I've looked through all our questions, and they all accept glaciaux as a correct alternate answer. Do you have the specific question in mind by any chance? Merci et à bientôt !

Re glacials/glaciaux and finals/finaux

Hi, Just to confirm that glacials/glaciaux and finals/finaux can be interchanged, with no rule as to when to use each one? Thanks, Catherine

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