Select the most appropriate antonym of the word.

FEASIBLE

Implausible

The most appropriate antonym of the word feasible is implausible.

• Feasible means "possible to do or achieve."
• Implausible means "not likely to be true or to happen."

The other words do not have the same meaning as feasible, so they are not its antonyms.

• Profitable means "making a profit."
• Attainable means "possible to reach or achieve."
• Achievable means "possible to do or accomplish."