Alien
Alien adjective - Being, relating to, or characteristic of a country other than one's own.
Unheard-of and alien are semantically related. In some cases you can use "Unheard-of" instead an adjective "Alien".
Unheard-of
Unheard-of adjective - Not known or experienced before.
Alien and unheard-of are semantically related. Sometimes you can use "Alien" instead an adjective phrase "Unheard-of".
Mutual synonyms
Related pairs
- exceptional and alien
- exceptional and unheard-of
- eccentric and alien
- eccentric and unheard-of
- grotesque and alien
- grotesque and unheard-of
- outlandish and alien
- outlandish and unheard-of
- novel and alien
- novel and unheard-of
- new and alien
- new and unheard-of
- fantastic and alien
- fantastic and unheard-of
Both words in one sentence
- They give chimps and dolphins an almost unheard-of level of autonomy and involve them in the world government, refuse to impose any kind of indentured servitude on them, and begin seeking alien clients with an eye to protecting them from more hostile species.
Source: Benevolent Precursors
Cite this Source
Unheard-of and Alien. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/alien/unheard-of
Alien & Unheard-of. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/alien/unheard-of>.
Unheard-of or Alien. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/alien/unheard-of.
