Choose the perfect synonym or antonym for the word

Viable

/ˈvaɪəbəl/

Able to work successfully or achieve the intended results.

Synonyms:

This business plan is financially viable.

Scientists are developing viable energy solutions.

Viable seeds are crucial for a good harvest.

Originating from the French word viable, derived from vie meaning life, and Latin vita for life.

12 mentions per 1 million words

Moderate

Hint: Frequency according to COCA