Used to express (often sarcastically) that someone has in some way displayed their ignorance, unfamiliarity, or incompetence.

(mathematical analysis, number theory) Any one of the rational numbers in a sequence of such that appears in numerous contexts, including formulae for sums of integer powers and certain power series expansions.

Alternative spelling of law of noncontradiction

Alternative spelling of nonlogical

Any of the nocturnal species of herons of the genera Nycticorax, Nyctanassa, and Gorsachius.

(idiomatic) Being nothing to write home about; unremarkable and mediocre.

Being right once doesn't prove anything.

(humorous, euphemistic) Lacking in intelligence; dimwitted.

The edible seed of Canarium ovatum, a tree native to the maritime tropics from the edge of Southeast Asia to the edge of Australia.

The edible seed of Elaeis guineensis, the oil palm