1. To project, protrude, or extend in some direction. I could tell her arm was broken by the way it was sticking out to the right at such an unnatural angle. I wish the flaps on this thing didn't stick out to the sides like that.

2. To be very conspicuous, noticeable, or out of place to someone else. A felony conviction like makes you stick out to potential employers in the worst way possible. She stuck out to me as the only competent person in the entire group.

3. To extend something out in the direction of someone or something else. In this usage, a noun or pronoun is used between "stick" and "out." The police officer stuck his hand out to the boy to lift him up out of the well. I stuck a carrot out to the horse, but it bit my hand instead.

4. To endure, tolerate, or continue something through to the completion or the end of some point. In this usage, a noun or pronoun (especially "it") is used between "stick" and "out." I know you're unhappy with the job, but just stick it to out the end of this project before you start looking for new work. I'm determined to stick college out to the end of the semester at the very least.