Enter a clue or pattern or both:
The Clue
Most acerb (7 letter answer)
The Answer
TARTEST
Tags
Notes
The answer TARTEST is so rare that it appears less than once every 2500 puzzles.
Related Clues
Maximally sharp
Most acidic
Most cutting
Definition
TART as an adjective:
1. (lemony, lemonlike, sourish, tangy, tart) = tasting sour like a lemon
2. (sharp, sharp-worded, tart) = harsh; "sharp criticism"; "a sharp-worded exchange"; "a tart remark"