Alien and Necessary

Alien

Alien adjective - Not being a vital part of or belonging to something.
Usage example: it's completely alien to her nature to wish evil of anyone

Necessary is an antonym for alien.

Necessary

Necessary adjective - Forcing one's compliance or participation by or as if by law.

Alien is an antonym for necessary.

Nearby Words: necessity, necessarily

How words are described

good good alien good necessary
small small alien small necessary
powerful powerful alien powerful necessary
real real alien real necessary
Other adjectives: big, huge, bad, new, different.

Both words in one sentence

  • That includes people, animals, food, tools, seeds, and in spacefaring settings, the machinery necessary to terraform an alien world.
    Source: Colony Ship
  • Tabletop Game / Conspiracy X Benevolent Conspiracy/Designated Heroes: Aegis' self-appointed mission is to protect humanity from supernatural and alien threats by any means necessary.
  • The effective ruler of Drakaasi, with the necessary intelligence, he's described as having "speed and grace alien to his size", wears armour, has flight-capable wings and breathes black flame.
Cite this Source
Necessary and Alien. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/alien/necessary
Alien & Necessary. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/alien/necessary>.
Necessary or Alien. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/alien/necessary.
Google Ngram Viewer shows how "alien" and "necessary" have occurred on timeline