adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An organism that did not originate on Earth.

Adjective

1. 1
   Not terrestrial. not-comparable

Synonyms

All synonyms

alienalien artifactextraterrestrialspace beingspace objectspace phenomenon

Antonyms

All antonyms

earth objectearthlingearthlyterrestrial

Etymology

From non- + terrestrial.