Select the most appropriate ANTONYM of the given word.

DEFICIENCY

excess

The most appropriate antonym of the word deficiency is excess.

• Deficiency means "a lack or shortage of something."
• Excess means "a surplus or an amount that is more than is needed or required."

The other words do not have the opposite meaning of deficiency.

• Snag means "a problem or difficulty."
• Dearth means "a lack or scarcity of something."
• Glitch means "a sudden, unexpected malfunction or fault in a system."