American English

Definition of sucker noun from the Oxford Advanced American Dictionary



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  1. 1(informal) a person who is easily tricked or persuaded to do something
  2. 2sucker for somebody/something (informal) a person who cannot resist someone or something, or likes someone or something very much I've always been a sucker for men with green eyes.
  3. 3a special organ on the body of some animals that enables them to stick to a surface
  4. 4a disk shaped like a cup, usually made of rubber or plastic, that sticks to a surface when you press it against it
  5. 5a part of a tree or bush that grows from the roots rather than from the main stem or the branches, and can form a new tree or bush
  6. 6(slang) used to refer in a general way to a person or thing, especially for emphasis The pilot said, “I don't know how I got the sucker down safely.”
  7. 7(informal) = lollipop
See the Oxford Advanced Learner's Dictionary entry: sucker