Sourest definition

Sourest

1) Most bitter 2) Most crotchety 3) Most disagreeable 4) Most embittered 5) Most kumquat-esque 6) Most like a lemon 7) Most like a pickle 8) Most rancid 9) Most tart 10) Tart to the max
Found on https://www.crosswordclues.com/clue/sourest

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