| 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 | ||
| grimdark | n. | bleak, dark, violent, dystopian genre fiction, esp. fantasy | ||
| 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 | ||
| gurning | v. | making a silly or grotesque face | British | |
| guttle | v. | to eat voraciously and greedily | ||
| guyot | n. | flat-topped seamount | ||
| gymnosophist | n. | member of an ascetic group of Jains, noted for wearing little or no clothing and for eating no meat | ||
| gynander | n. | woman with characteristics of a man | ||
| gynandry | n. | hermaphroditism | ||
| gyniolatry | n. | worship of women | ||
| gyp | n. | servant for students at Cambridge and Durham colleges | ||
| Gytrash | n. | legendary animal apparition of lonely country roads and paths, variously appearing as a large black dog or horse or even a cow | ||
| gyve | n. | (usu. pl.) shackles, esp. for legs | ||
| ha-ha | n. | sunken fence or wall bounding garden or park, set into ditch so as to not interrupt the view from within | ||
| haberdashery | n. | retail establishment selling men’s accoutrements such as shirts, ties, gloves, and hats | ||
| habergeon | n. | sleeveless coat of scale or mail armor smaller than a hauberk | ||
| hackamore | n. | halter with a bitless bridle, often used for breaking horses | ||
| hacking jacket | n. | 3-button tweed jacket originally designed for casual horse riding | British | |
| hadron | n. | subatomic particle comprised of multiple quarks held together by the strong force | ||
| haecceity | n. | thisness, unique essence, that which makes a particular thing that very particular thing and no other | ||
| haggard | adj. | appearing worn, exhausted, gaunt, esp. as result of privation or anxiety; wild-looking | ||
| haggard | n. | enclosure on farm for storage of grain or hay | Scots | |
| hair rat | n. | shaped pillow of loose hair (often collected from brushing) used as base for elevating women’s hairstyles | ||
| halation | n. | blurring around edges in photographic image beyond proper boundaries, creating local fog around highlights, etc. | ||
| halcyon | adj. | calm, quiet, peaceful | ||
| hale | v. | to draw, pull | ||
| halidom | n. | holy place, sanctuary; sacred thing or relic |
