Select the most appropriate antonym of the given

admirable

unworthy 

The most appropriate antonym of the given word admirable is unworthy.

• Admirable means worthy of admiration or praise.
• Unworthy means not deserving of admiration or praise.

The word admirable means worthy of admiration or praise, while the word unworthy means not deserving of admiration or praise. Therefore, the antonym of admirable is unworthy.

The other options are not antonyms of admirable.

• Commendable means worthy of praise or commendation.
• Appreciable means capable of being appreciated or valued.
• Lucky means having good fortune or luck.