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
Irrelevant and alien are semantically related. In some cases you can use "Irrelevant" instead an adjective "Alien".
Irrelevant
Irrelevant adjective - Not having anything to do with the matter at hand.
Alien and irrelevant are semantically related. Sometimes you can use "Alien" instead an adjective "Irrelevant".
Mutual synonyms
Related pairs
- separate and alien
- separate and irrelevant
- inappropriate and alien
- inappropriate and irrelevant
- incongruous and alien
- incongruous and irrelevant
- remote and alien
- remote and irrelevant
- outside and alien
- outside and irrelevant
- unrelated and alien
- unrelated and irrelevant
- out of place and alien
- out of place and irrelevant
Both words in one sentence
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Blue and Orange Morality: For many Post-Humans, their old views from when they had biological bodies become irrelevant, and human ethics are as alien to them as they are alien to humanity itself.
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Made irrelevant in some episodes, particularly one in the first season, when John ends up on a very Earth-like planet, which is undeveloped, and has never had contact with any alien race.
Source: Translator Microbes -
Whether or not the alien learned about human emotions it's likely unable to comprehend is pretty much irrelevant.
Source: Film / Super 8
Cite this Source
Irrelevant and Alien. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/alien/irrelevant
Alien & Irrelevant. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/alien/irrelevant>.
Irrelevant or Alien. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/alien/irrelevant.
Google Ngram Viewer shows how "alien" and "irrelevant" have occurred on timeline