v. 1a. To stand out from a wall or other surface; project; extend. The limb stuck out from the trunk of the tree. 1b. To be seen or noticed more easily or quickly than others; be noticeable. My house is the only brick one on the street. It sticks out and you can't miss it. Mary plays basketball very well. The others on the team are good, but she really sticks out. 1c. Often used in the informal phrase stick out like a sore thumb. John is so shy and awkward that he sticks out like a sore thumb.
Synonym: STAND OUT. 2. informal To keep on doing something until it is done no matter how long, hard, or unpleasant. Bill is not a fast runner and he doesn't have a chance of winning the marathon, but he will stick out the race even if he finishes last. Often used in the phrase "stick it out". Mathematics is hard, but if you stick it out you will understand it.
Compare: HANG ON 2 , STICK WITH 1 .