What are the opposite words for sufficiency?

Sufficiency is a word that signifies having enough or being content with the present situation. Antonyms for sufficiency are words that indicate a lack or insufficiency of something. One such antonym is scarcity which pertains to a shortage or insufficient quantity of something. Another antonym is inadequacy which implies that something is not enough for a particular purpose or need. In contrast, excess or surplus suggests an overabundance of something which is beyond the required amount. Insufficiency and deficiency are also antonyms of sufficiency which signify a lack or absence of something necessary. Finally, paucity stands for scarcity or shortage of something essential.

Antonym of the day

let the cat ouf bag
be quiet, conceal, hide.