gibbering (en)

speak rapidly and unintelligibly, typically through fear or shock

Gilles Deleuze (en)

1925–1995: French philosopher (has influenced literary theory, post-structuralism and postmodernism)

glabrous (en)

(adjective) smooth / (adjective) having a surface without hairs or projections

glacis (en)

a bank sloping down from a fort which exposes attackers to the defenders' missiles

glasnost (en)

the Soviet policy of open discussion of political and social issues; instituted by Soviet leader Mikhail Gorbachev in the late 1980s, beginning the democratization of the Soviet Union

glissando (en)

(noun) a rapid sliding up or down the musical scale

gloaming (en)

(noun) twilight; dusk

gneiss (en)

(noun) a foliated metamorphic rock corresponding in composition to a feldspathic plutonic rock (as granite)

gnomic (en)

expressed in or of the nature of short, pithy maxims or aphorisms

gnosis (en)

(noun) esoteric knowledge of spiritual truth held by the ancient Gnostics to be essential to salvation

gofer (en)

(noun) an employee whose duties include running errands; lackey

Gorgon (en)

(noun) any of three snake-haired sisters in Greek mythology whose appearance turns the beholder to stone / (noun) an ugly or repulsive woman

gorse (en)

(noun) a spiny yellow-flowered European shrub (Ulex europaeus) of the legume family / (noun) any of several related plants (genera Ulex and Genista)

Gosplan (en)

The State Planning Committee (Gosplan) was the agency responsible for central economic planning (particularly five-year plans) in the Soviet Union

gossamer (en)

(noun) a film of cobwebs floating in air in calm clear weather / (noun) something light, delicate, or insubstantial / (adjective) extremely light, delicate, or tenuous

Gothamite (en)

a journalistic nickname for New York City OR an English village, proverbial for the foolishness of its inhabitants.

goyist (en)

derived from goy (Hebrew for nation); used as a superlative for Jewishness?

gravid (en)

(adjective) pregnant / (adjective) distended with or full of eggs

greaves (en)

a piece of armour that protects the leg

guano (en)

the excrement of seabirds and bats, used as fertilizer

guignol (en)

(noun) dramatic entertainment featuring the gruesome or horrible

gussy (en)

(verb) make more attractive, especially in a showy or gimmicky way

Habermasian (en)

referring to Frankfurt School sociologist and philosopher Jürgen Habermas, best known for his theories on communicative rationality and the public sphere

hagiography (en)

relating to the writing of the lives of saints; (derogatory) adulatory writing about another person

hainamoration (en)

the ambivalence of love and hatred (a Lacanian concept)