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English definition of “sucker”

sucker

noun [C] (FOOLISH PERSON)   /ˈsʌk·ər/ infml
a person who believes everything you say and is therefore easy to deceive If you are a sucker for something, you like it so much that you cannot refuse it: Josie’s a sucker for burnt almond ice cream.
(Definition of sucker noun (FOOLISH PERSON) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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