| Term | Definition |
| glutton | one who eats or drinks too much |
| gnarled | knotty; twisted; roughened |
| gnome | a legendary dwarf-like creature |
| goad | to encourage; to spur on |
| gorge | a deep valley with steep sides; to eat or to swallow greedily |
| gory | bloody |
| gossamer | light; flimsy; fine |
| Gothic | medieval; mysterious |
| gouge | to dig out; to swindle or overcharge |
| gourmand | a glutton; a person who eats excessively |
| gourmet | an expert of fine food and drink |
| gradient | a slope; a ramp |
| granary | a storehouse for grain |
| grandiloquent | pretentious; speaking in a pompous style |
| grandiose | impressive; showy |
| graphic | giving a clear and effective picture |
| grapple | to grip and hold; to struggle |
| grate | to grind to shreds; to irritate |
| gratify | to please; to satisfy |
| gratis | without payment; free |