(biology) The full range of conditions and resources in which an organism free of interference from other species could survive and reproduce.

(graph theory) The function for which the Zarankiewicz problem seeks a formula: z(m, n; s, t), denoting the largest possible number of edges in a bipartite graph G = (U, V, E) for which |U| = m and |V| = n, but which does not contain a subgraph of the form K_(s,t).

(slang) Great fun; something very entertaining.

(informal) Something capable of inducing nightmares, often by being highly disturbing.

(politics, Internet slang, LGBT) A utopian society proposed by far-left activists where gender, wealth, and work become obsolete and everyone lives in luxury.

(ethnic slur, vulgar) A New Zealander.

(ethnic slur, offensive, vulgar, derogatory) An Australian.

(ethnic slur, vulgar) An Australian.

To provide the money (for something) oneself.

Alternative form of nonfunctional