Fantastic and Insane

Fantastic

Fantastic adjective - Conceived or made without regard for reason or reality.
Usage example: a fantastic scheme for getting rich quick

Insane is a synonym for fantastic in strange topic. In some cases you can use "Insane" instead an adjective "Fantastic", when it comes to topics like foolish.

Insane

Insane adjective - Conceived or made without regard for reason or reality.
Usage example: a completely insane plan to build an opera house in the middle of nowhere

Fantastic is a synonym for insane in foolish topic. Sometimes you can use "Fantastic" instead an adjective "Insane".

Nearby Words: insanity, insanely

Both words in one sentence

  • This eliminates all fantastic elements of the story, and drives Haber insane when he finds out that both he and the new world he was building aren't real.
  • Webcomic / Errant Story Fantastic Slurs: The term "errant" used to only refer to half-elves who had gone insane, but the elves eventually came to view the terms "half-elf" and "errant" as interchangeable.
  • Video Game / Batman: Arkham Origins He may be referencing himself as an awesome insane man, hence the "fruitcake" is "fantastic", and then asking if anyone wants "a piece" of him by challenging him.
Cite this Source
Insane and Fantastic. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/fantastic/insane
Fantastic & Insane. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/fantastic/insane>.
Insane or Fantastic. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/fantastic/insane.
Google Ngram Viewer shows how "fantastic" and "insane" have occurred on timeline