What is "stick up"

vb. 1 (context transitive English) (&lit stick up); To put up by sticking. 2 (context transitive idiomatic English) To rob at gunpoint. 3 (context intransitive idiomatic English) To be prominent; to point upwards. 4 (context intransitive with ''for'' English) To speak or act in defence (of). 5 (cx intransitive with ''to'' English) To defy, to confront, to stand up to. 6 (cx intransitive with ''to'' English) To maintain a commitment (as, to a proposition or role)

1. v. rob at gunpoint or by means of some other threat [syn: hold up]

2. defend against attack or criticism; "He stood up for his friend"; "She stuck up for the teacher who was accused of harassing the student" [syn: stand up]