| Term | Definition |
| astringment | draw tightly together (like tissues) |
| constrict | draw together; shrink |
| restrict | keep within limits (keep back) |
| stricture | adverse criticism (tightening) |
| stringent | strict (binding tightly) |
| unrestricted | open; loose |
| frugivorous | eating fruits |
| voracious | greedy in eating |
| convivial | eating and drinking with friends; sociable |
| vivacious | lively in temper or conduct |
| vivid | vigor and spirit of life; |
| vivacity | liveness of spirit |
| vivify | enliven; sharp and clear |
| vivisection | operation on a animal(living) for scientific investigation |