insuffisant
insufficient, inadequate
adjective an-soo-fee-ZAHN Rare
Usage Note
Insuffisant is also used as a school grade marker in French education, where work graded insuffisant falls below passable. The noun form l'insuffisance means inadequacy or deficiency (including medical, as in insuffisance cardiaque — heart failure). The feminine form is insuffisante.
Examples
"Ses efforts sont insuffisants pour réussir."
Natural Translation
His efforts are insufficient to succeed.

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