Silly
Silly adjective - Lacking in seriousness or maturity.
Unthinkable and silly are semantically related. In some cases you can use "Unthinkable" instead an adjective "Silly".
Nearby Word: silliness
Unthinkable
Unthinkable adjective - Too extraordinary or improbable to believe.
Usage example: to most people it seemed unthinkable that such a gentle man could be guilty of such awful crimes
Silly and unthinkable are semantically related. Sometimes you can use "Silly" instead an adjective "Unthinkable".
Nearby Word: unthinking
Mutual synonyms
Related pairs
- foolish and silly
- foolish and unthinkable
- irrational and silly
- irrational and unthinkable
- crazy and silly
- crazy and unthinkable
- illogical and silly
- illogical and unthinkable
- senseless and silly
- senseless and unthinkable
- absurd and silly
- absurd and unthinkable
- unreasonable and silly
- unreasonable and unthinkable
Both words in one sentence
- There are a lot of comments about how space marines fighting other space marines would be unthinkable, gods and religions, particularly malignant ones, are a silly idea, etc etc.
Source: Foreshadowing / Literature
Cite this Source
Unthinkable and Silly. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/silly/unthinkable
Silly & Unthinkable. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/silly/unthinkable>.
Unthinkable or Silly. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/silly/unthinkable.
Google Ngram Viewer shows how "silly" and "unthinkable" have occurred on timeline