| Verb | 1. | protrude - extend out or project in space; "His sharp nose jutted out"; "A single rock sticks out from the cliff"push up, thrust - push upward; "The front of the trains that had collided head-on thrust up into the air" spear up, spear - thrust up like a spear; "The branch speared up into the air" bulge, bag - bulge out; form a bulge outward, or be so full as to appear to bulge | |
| 2. | protrude - bulge outward; "His eyes popped" | |
| 3. | protrude - swell or protrude outwards; "His eyes bulged with surprise"bulk - stick out or up; "The parcel bulked in the sack" | |