Synonyms of alien
77 similar words
Another word for alien is outlander. Other synonyms of alien are guest.
Synonyms and similar words for alien
nounA person, animal, plant, or other thing which is from outside the family, group, organization, or...
adjectiveNot belonging to the same country, land, or government, or to the citizens or subjects thereof...
- allotriousAlien.
- strangeBelonging to another country; foreign.
- acquiredDeveloped after birth; not congenital.
- additionalSupplemental or added to something.
- adventitious
- ascititiousAdscititious.
- extraneousNot belonging to, or dependent upon, a thing; without or beyond a thing; foreign.
- foreignAlien; strange; uncharacteristic.
- intrusive
- supplemental
- outlandish archaicOf or from a foreign country; not indigenous or native; alien, foreign.
- tramontane archaic
adjectiveVery unfamiliar, strange, or removed.
- monstrous
- weirdDeviating from the normal; bizarre.
- aberrantDiffering from the norm.
- abnormal
- anomalous
- bizarreStrangely unconventional; highly unusual and different from common experience, often in an extravagant, fantastic...
- bookyStrange, scary, suspicious.
- curiousLeading one to ask questions about; somewhat odd, out of the ordinary, or unusual.
- deviantCharacterized by deviation from an expectation or a social standard.
- discrepantShowing difference; inconsistent, dissimilar.
- eerieInspiring fear, especially in a mysterious or shadowy way; strange, weird.
- eldritchUnearthly, supernatural, eerie, preternatural.
- errant
- exceptional
- extraordinary
- fey
- forby UK, dialectalUncommon; out of the ordinary; extraordinary; superior.
- freakStrange, weird, unexpected.
- freakish
- freakyOdd; bizarre; unusual.
- funnyStrange or unusual, often in an unpleasant way.
- heteroclite
- hinky informal
- incongruous
- incongruitousSynonym of incongruous.
- irregular
- kooky informal
- nonstandard
- oddDiffering from what is usual, ordinary or expected.
- out of the ordinaryExtraordinary, unusual, or exceptional, especially for the better.
- outré
- peculiar
- quaint dialectal
- queerStrange, odd, or different; whimsical.
- queer as a clockwork orange UK
- queer as a nine bob note UKSynonym of queer as a clockwork orange.
- queer as a three dollar bill US
- queer as a coot
- rare
- selcouthStrange, unusual, rare; unfamiliar; marvellous, wondrous.
- seldUnusual; unwonted.
- singularOut of the ordinary; curious.
- trippy informalStrange, surreal, similar to the effects of a hallucinogen.
- uncanny
- uncommon
- unconventional
- unearthly
- unexpectedNot expected, anticipated or foreseen.
- unreasonable
- unusualNot usual, out of the ordinary.
- unwonted
- weirdsomeMarked by weirdness; strange; mysterious.
- yampy UK, dialectalBarmy; mad; daft.
- as queer as Dick's hatband dated
- queer as Dick's hatband datedVery queer: very unusual or strange.
- rum UK, dated
- rummy UK, dated
- uncouth archaicUnfamiliar, strange, foreign.
adjectivePertaining to extraterrestrial life; typical of an extraterrestrial creature.
- extraterrestrialOriginating from outside of the Earth's atmosphere, from space, or from another planet; alien to Earth or its...
- nonterrestrialNot terrestrial.
- xenomorphic
nounForeigner.
- outlanderA foreigner or alien.
Meaning of alien
- noun A person, animal, plant, or other thing which is from outside the family, group, organization, or territory under consideration.
- noun A citizen or national of another sovereign state.
- noun A mischievous or suspicious foreigner.
alien in other languages
Questions about synonyms of alien
Source and license
Adapted from Wiktionary: alien (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
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Cite this page: “Synonyms of alien.” Word.ws, https://word.ws/synonyms/alien. Based on Wiktionary, CC BY-SA 4.0.