(noun) robbery at gunpoint. Synonyms: armed robbery, heist, holdup, stickup.
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Noun Definition 1
(verb) rob at gunpoint or by means of some other threat. Synonyms: hold up, stick up.
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Verb Definition 1
(verb) defend against attack or criticism. Synonyms: stand up, stick up. Examples: "He stood up for his friend." "She stuck up for the teacher who was accused of harassing the student."