prefix EXTRA

an elaborate and spectacular entertainment or production.

• extravaganza

• extraterrestrial

• extraneous

very unusual or remarkable.

• extracurricular

• extraordinary

• extraterrestrial

irrelevant or unrelated to the subject being dealt with

• extraneous

• extracurricular

• extraterrestrial

of or from outside the earth or its atmosphere.

• extraneous

• extraordinary

• extraterrestrial

(of an activity at a school or college) pursued in addition to the normal course of study.

• extracurricular

• extravaganza

• extraordinary