1. To hold up something as an example; hold up one's achievements for admiration.
2. To rob at gunpoint or by means of some other threat;
3. When an object remains in good condition after heavy use, it holds up.
4. When a plan, idea, or agreement is still believed in or respected after a period of time, it has held up.
SYN. stick up.

When a wall, column, or other structure supports the weight of something above it, such as a ceiling, it holds it up.
When you prevent something from happening or cause it to happen late, you hold it up. When things or people delay you, they hold you up.
When you use a gun or other weapon to rob a person, bank, or store, you hold it up. Stick up is the same as hold up.