What are the opposite words for deficiency?

Deficiency is a term used to define a lack or insufficiency of something. Antonyms, on the other hand, are words that have opposite meanings. Words that can be used as antonyms for deficiency include abundance, excess, surplus, sufficiency, and adequacy. Abundance connotes a generous supply or a plentiful amount of something that one does not have a deficiency of. Excess refers to a greater quantity than necessary whereas a surplus indicates a surplus quantity of something. Sufficiency refers to having enough of something required, and adequacy refers to being sufficient or acceptable. These antonyms provide a range of options for expressing the opposite of what is meant by deficiency.

Antonym of the day

getting way
approve, begin, go.