Alien
Alien adjective - Being, relating to, or characteristic of a country other than one's own.
Unpredictable and alien are semantically related. In some cases you can use "Unpredictable" instead an adjective "Alien".
Unpredictable
Unpredictable adjective - Likely to change frequently, suddenly, or unexpectedly.
Alien and unpredictable are semantically related. Sometimes you can use "Alien" instead an adjective "Unpredictable".
Nearby Word: unpredictability
Both words in one sentence
- However, it turns out that Parson is too alien and unpredictable to make his plans work, just because of how differently Parson sees his world (as a Wargame world, while its inhabitants only see it as "world").
Source: Magnificent Bastard / Web Comics -
In Memory, Sorrow and Thorn, you have the Sithi (benevolent, but still alien and unpredictable and with little love for humans) and the Norns (their arctic, Always Chaotic Evil cousins).
Source: The Fair Folk - He is even introduced to the alien ambassadors as a force majeure, an unpredictable and unstoppable factor whose coming changes the whole Multiverse.
Source: The Chosen One
Cite this Source
Unpredictable and Alien. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/alien/unpredictable
Alien & Unpredictable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/alien/unpredictable>.
Unpredictable or Alien. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/alien/unpredictable.
Google Ngram Viewer shows how "alien" and "unpredictable" have occurred on timeline