kif /kiːf/ noun3 •A kind of cannabis smoked in Morocco and Algeria, for its narcotic or intoxicating effects.The kief, which is the flower and seeds of the plant, is the strongest, and a pipe of it half the size of a common English tobacco-pipe, is sufficient to intoxicate. — 1809 •The trichome of marijuana, a green powdery substance that falls from dry marijuana, high in THC and other cannabinoid compounds. •The state of relaxed stupor induced by cannabis.