extra-
More than usual
Extra- is a prefix meaning outside or beyond: extracurricular activities happen outside the curriculum, extramarital affairs occur outside marriage, extraterrestrial life exists beyond Earth.
The prefix intensifies when attached to adjectives: extra-large, extra-strong.
As a standalone word, extra functions differently—see that entry.
Outside institutional walls
- extraterritorialOutside local legal authority
- extralinguisticOutside verbal expression
Beyond ordinary perception
- extraplanetaryBeyond any planet's bounds
- extragalacticBeyond any galaxy's bounds
- extralegalOutside legal authority
- extratropicalOutside tropical zones
extradimensional · extramundane · extrauterine · extramural · extranuclear · extracellular · extraparliamentary
extramural
Outside institutional walls
- extraterritorialOutside local legal authority
- extralinguisticOutside verbal expression
extrasensory
Beyond ordinary perception
- extraplanetaryBeyond any planet's bounds
- extragalacticBeyond any galaxy's bounds
- extralegalOutside legal authority
extratropical · extradimensional · extramundane · extrauterine · extramural · extranuclear · extracellular · extraparliamentary
- extra creditOptional work for higher grades
- go the extra mileSurpass what's asked
- extra mileEffort past expectations
- extra largeLargest common retail size
- extreme heatSevere high temperature
- going the extra mileSurpassing what's asked
extra, extras, extraordinary, extraordinarily, extraneous, extraneously, extrapolate, extrapolation, extravagant