One antonym would be abundance.
Yes, the word 'scarcity' is a noun, a word for an insufficiency of amount or supply; a shortage; a word for a thing.
There is lot of water scarcity in my locality.
Antonyms are 'a few, lack, little, need, scarcity, want'
Yes, the word 'insufficiency' is a synonym for 'scarcity'. Other synonyms are: shortage, dearth, or lack.
Deficiency Dearth Drought Exiguity Famine Inadequacy Infrequncy Insufficiency Lacking Paucity Rarity Scanty Shortage Sparseness Sparsity Stringency
scarcity
Abundance.
No, they have opposite meanings
Glut.
Yes, the word 'scarcity' is a noun, a word for an insufficiency of amount or supply; a shortage; a word for a thing.
The scarcity of the books in the library shocked me.
shortage scarcity
No, "dearth" means a scarcity or lack of something, while "abundance" means a large quantity or plenty of something. They are essentially opposite in meaning.
There is lot of water scarcity in my locality.
Antonyms are 'a few, lack, little, need, scarcity, want'
Scarcity
It is a noun.