Frightful and Knockout

Opposite meaning words

Frightful adjective - Causing fear.

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Knockout is an antonym for frightful.

Nearby Words: frightening, frightened, fright, frightfully, frighted

Knockout adjective - Very pleasing to look at.

Usage example: a knockout sports car that's the talk of the neighborhood

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Frightful is an antonym for knockout.

Nearby Words: knock, knocked, knockdown, knocker

Cite this Source

Knockout and Frightful. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/frightful/knockout

Frightful & Knockout. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/frightful/knockout>.

Knockout or Frightful. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/frightful/knockout.

Google Ngram Viewer shows how "frightful" and "knockout" have occurred on timeline