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English definition of “bitter”

bitter

adjective     /ˈbɪtər/
ANGRY B2 angry and upset because of something bad that has happened that you cannot forget: I feel very bitter about my childhood.Angry and displeasedBad-tempered
HATE B2 full of hate or anger: a bitter argument/disputeAngry and displeasedBad-tempered
SOUR B1 having a strong, sour, usually unpleasant tasteFlavours and tastesNot pleasant to eat or drink
COLD B2 extremely cold: a bitter windColdSnow and ice
to/until the bitter end until something is completely finished, usually something unpleasant: He was determined to stay right to the bitter end.Causing something to endComing to an end
DISAPPOINTED B2 making you feel very disappointed: Losing the championship was a bitter disappointment.Disappointing yourself and others
bitterness noun [U]
(Definition of bitter adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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