Aloof
Unknown
Unknown adjective - Happening or existing without one's knowledge.
Aloof and unknown are semantically related. Sometimes you can use "Aloof" instead an adjective "Unknown".
Nearby Words: unknowable, unknowing
Both words in one sentence
- Possible candidates are the highly intelligent but aloof toothed whales, the dumb but inoffensive baleen whales, or some indigenous but unknown form of life.
Source: Literature / Humanx Commonwealth - In the first half of the 2000s, he was the no nonsense Aloof Ally to Sonic, and nowadays he's the Dumb Muscle Unknown Rival to Sonic.
Source: Depending on the Writer -
Another (more popular) major character is an enigmatic, aloof, and ruthless individual whose motivation is unknown and whose powers are mysterious and kept hidden (because they are very revealing of their user's past).
Cite this Source
Unknown and Aloof. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/aloof/unknown
Aloof & Unknown. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/aloof/unknown>.
Unknown or Aloof. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/aloof/unknown.
Google Ngram Viewer shows how "aloof" and "unknown" have occurred on timeline