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extraterrestrial

ex·tra·ter·res·tri·al

extraterrestrial

 
pronunciation:
ek str t re stri l
features:
Word Explorer, Word Parts
part of speech: adjective
definition: existing or coming from a place outside planet Earth.
Meteorites are extraterrestrial rocks.
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  outer space, space
Word Parts  About this feature
The word extraterrestrial contains the following part:
extr-, extra-, exter- Latin prefix that means on the outside, beyond
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In Latin, "extrem" is the superlative form of "exter," just as in English "most" is the superlative form of "more." "Extrem," which is the basis of the basis of the English word "extreme " and its derivations, thus means "most outside" or "most beyond."
synonyms:
ec, ect, ecto, exo-, ex-