1. [informal] Any thick, viscous matter
   "The mechanic's hands were covered in engine gook";
   - sludge, slime, goo [informal], goop [N. Amer, informal], guck [N. Amer, informal], gunk [informal], muck, ooze, gloop [Brit, Cdn, informal]
    
2. [N. Amer, offensive] A disparaging term for an Asian person (especially for North Vietnamese soldiers in the Vietnam War)
   "The term 'gook' is often considered hate speech";

Derived forms: gooks

Type of: matter, oriental person

Encyclopedia: Gook