| gomeril | n. | fool | Scots | |
| gompa | n. | imposing religious building similar to Christian monastery in which religious writings are protected and monks work as devotees of Tibetan Buddhism | ||
| gonfalon | n. | banner or pennon, often with tails or streamers, suspended from a crossbar rather than flown from a pole | ||
| gonfanon | n. | gonfalon suspended from the head of a lance | ||
| gonif | n. | dishonest or disreputable person, crook, rascal (Yiddish) | slang | |
| goosander | n. | common merganser, a diving duck with a serrated bill | British | |
| goozle | n. | Adam’s apple, throat | slang | |
| gorbellied | adj. | having a protruding belly | ||
| gore | n. | triangular or wedge-shaped piece of fabric used as part of a garment, sail, etc. | ||
| gork | n. | braindead (or nearly) patient kept alive only by artificial means | ||
| gormless | adj. | stupid, lacking in intelligence or vitality | ||
| gourmand | n. | fond of good eating, often to excess | ||
| gozzle | n. | throat, gullet | ||
| gralloch | v. | to remove the viscera from game, usu. a deer | ||
| Gram-negative | adj. | (of bacteria) appearing red when stained using Gram’s method | ||
| gramercy | int. | expression of thanks | archaic | |
| grangerize | v. | to add illustrations to a book from other sources | ||
| granolithic | adj. | composed of crushed granite pieces | ||
| grass widow | n. | wife whose husband is frequently absent or gone for a protracted time | ||
| grate | adj. | agreeable, pleasant, gratifying | obsolete | |
| graupel | n. | mushy hail, granular snow | ||
| gravamen | n. | most grievous part of an accusation; grievance | ||
| gravel | v. | to perplex; [obsolete] to run aground | ||
| grazier | n. | person who grazes cattle for market | ||
| greengage | n. | light green plum | ||
| Gretna Green | n. | Scottish town famed for easy marriages; any destination with lax marriage laws | ||
| griffin | n. | legendary beast with a lion’s body and an eagle’s head and wings | ||
| griffonage | n. | terrible handwriting, illegible scrawl | ||
| grig | n. | unrestrainedly lively person; dwarf; cricket, grasshopper; small eel | ||
| grisaille | n. | painting in gray monochrome, often to represent sculpture | ||
| grizzle | v. | to make or become gray | ||
| groat | n. | very old English coin of silver, worth four pennies | ||
| groin | v. | to fashion intersecting vaults or to furnish such vaults with ribs along such an intersection | ||
| grom | n. | young surfer; youth on a board of the various types (wake-, snow-, skate-; i.e., not corporate) | slang | |
| grosgrain | n. | silk fabric having narrow ribs; ribbon made from such fabric | ||
| grot | n. | [literary] grotto | ||
| growler | n. | four-wheeled carriage, hansom cab; large container for beer | ||
| groyne | n. | breakwater | ||
| grunsel | n. | threshold, lowest timber beam of doorframe | obsolete | |
| grutch | v. | to complain | ||
| guanay | n. | cormorant native to Peru and Chile, one of the two guano-producing birds | ||
| gubbins | n. | odds and ends; thing of no value | British | |
| gudgeon | n. | small European freshwater baitfish; gullible person, someone who will swallow anything | ||
| guerdon | n. | reward, recompense | ||
| gueridon | n. | small stand or table | ||
| guillemot | n. | sea bird belonging to the auk family | ||
| guipure | n. | heavy plaited or barred lace | ||
| gules | n. | the tincture red | heraldry | |
| gumption | n. | initiative; guts | ||
| gun-founder | n. | manufacturer of cannon and other armaments |
