Fiend
Fiend noun - A person with a high level of knowledge or skill in a field.
Usage example: our in-house computer fiend fixed the problem in no time
Nearby Word: fiendish
Sharp
Sharp noun - A person with a high level of knowledge or skill in a field.
Usage example: the computer sharp that the rest of the staff turns to whenever their PCs act up
Both words in one sentence
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The thing over-steers like a fiend, meaning that unless you're taking a sharp turn, you'll end up swerving all over the road from the slightest nudge of the control stick.
Source: Lethal Joke Item -
Feathered Fiend: A bird with a beak full of huge sharp teeth that can chew up anything on command.
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Compare other attacks with body parts such as Horn Attack and Power Pincers, and other avian attacks such as Feathered Fiend, Razor Wings, Feather Flechettes, Absurdly Sharp Claws, and Toothy Bird (who tends to appropriately bite more than it peckers).
Source: Beak Attack
Cite this Source
Sharp and Fiend. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fiend/sharp
Fiend & Sharp. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fiend/sharp>.
Sharp or Fiend. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fiend/sharp.
Google Ngram Viewer shows how "fiend" and "sharp" have occurred on timeline