| glacial | Relating to, resulting from, or denoting the presence or agency of ice, especially in the form of glaciers. | |
| gild | To cover thinly with gold, gold leaf or gold paint | |
| ghastly | Causing great horror or fear; frightful or macabre | |
| germinate | To begin to grow and put out shoots after a period of dormancy | |
| germane | Relevant to a subject under consideration | |
| genial | Warmly and pleasantly cheerful; cordial | |
| gaudy | Extravagantly bright or showy, typically so as to be tasteless | |
| gargantuan | Enormous in size, volume, or degree; gigantic, colossal | |
| gamboled | to skip about, as in dancing or playing; frolic | |
| gallant | Brave; heroic | |