faiblesse
weaknessSa grande faiblesse est le chocolat.
His great weakness is chocolate.
general
a weak point or flaw
Sa grande faiblesse est le chocolat.
His great weakness is chocolate.
formal
physical weakness or frailty
Il ressent une légère faiblesse après la grippe.
He feels slight weakness after the flu.
Word Origin
From faible plus suffix -esse.
Dictionnaire Français-Anglais