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English definition of “sucker”

sucker

noun (FOOLISH PERSON)    /ˈsʌk.ər/ US  //
[C] informal disapproving a person who believes everything they are told and is therefore easy to deceive: You didn't actually believe him when he said he had a yacht, did you? Oh, Annie, you sucker!Naive and trustingInexperienced (of people) be a sucker for sth informal to like something so much that you cannot refuse it or judge its real value: I have to confess I'm a bit of a sucker for musicals.EnthusiastsAdmirers
(Definition of sucker noun (FOOLISH PERSON) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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