| Grüne Stinkwanze | green shield bug |
| Grüne Meerkatze | green monkey |
| grüne Minze | spearmint |
| grüne Linie | green line |
| grüne Minna | Black Maria |
| Grüne Minna | paddy wagon Black Maria |
| grüne Witwe | grass widow |
| Grüner Star | glaucoma |
| grüne Bohne | green bean |
| Grüne Wiese | green-field site |
| Graue Substanz | grey matter |
| grobe Skizze | croquis |
| Grotesktanz | grotesque dance |
| Grundannahme | axiom |
| Grundbirne | potato |
| Grundstein legen | lay the groundwork |
| Grundstufe | positive |
| Grundstückslast | encumbrance |
| Grunstein legen | lay the groundwork |
| Gruppe der Zwanzig | G20 |