tartness

2 antonyms for tartness — opposites grouped by meaning.

Noun — A sharp, sour taste.

Antonyms

sugariness sweetness

Comes from Middle English *tartnesse, from Old English teartnes, meaning “sharpness, severity, asperity”, equivalent to tart + -ness.

sour bitterness sweetness sourness acrimony thorniness jaundice acerbity sugariness