novel
US /ˈnɑː.vəl/
UK /ˈnɑː.vəl/

1.
roman
a fictitious prose narrative of book length, typically representing character and action with some degree of realism.
:
•
She spent her evenings reading a historical novel.
Elle passait ses soirées à lire un roman historique.
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His latest novel became a bestseller.
Son dernier roman est devenu un best-seller.
1.
nouveau, original, inhabituel
new or unusual in an interesting way.
:
•
The company is exploring novel ways to reduce waste.
L'entreprise explore des moyens nouveaux de réduire les déchets.
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It was a novel idea that quickly gained popularity.
C'était une idée nouvelle qui a rapidement gagné en popularité.