Choose the most appropriate ANTONYM of the given word.

MALLEABLE

Unadaptable 

The most appropriate antonym of the word malleable is unadaptable.

• Malleable means "able to be shaped or bent without breaking."
• Unadaptable means "unable or unwilling to change or adapt to new situations."

The other words do not have the same meaning as unadaptable.

• Diminutive means "very small or insignificant."
• Despair means "a feeling of complete hopelessness."
• Restore means "to bring something back to its original condition."