A surname.

plural of Nast

(now chiefly US) Dirty, filthy. / Contemptible, unpleasant (of a person). / Objectionable, unpleasant (of a thing); repellent, offensive. / Indecent or offensive; obscene, lewd. / Spiteful, unkind.

(informal) Something nasty. / (euphemistic, slang, preceded by "the") Sexual intercourse. / A video nasty.

Abbreviation of NASA Structural Analysis System, general-purpose Finite Element Analysis (FEA) program

The popular name of any of the plants in the Tropaeolum genus of flowering plants native to south and central America. / A plant in this genus, Tropaeolum majus.

comparative form of nasty: more nasty

Relating to the response of a plant to a stimulus that does not depend on the location of the stimulus.

(botany) relating to a nastic change

(informal) A written communication containing unpleasant material, especially one that criticizes, insults, or intimidates the recipient.