Definisi : n 1. body movement, tindakan refleks: the doctor scratched the sole of my foot to test my ~es, doktor itu mengguris tapak kaki saya utk menguji tindakan rekfleks saya; 2. ability to react quickly, kepekaan: Mrs. Oldham had incredible ~es for her age, Puan Oldham mempunyai kepekaan yg luar biasa memandangkan usianya; 3. retort, tiba-tiba: “Certainly not!” I almost shouted as an instant ~, “Tentu tdk!” Saya hampir menjerit secara tiba-tiba. (Kamus Inggeris-Melayu Dewan)