Dumb
Dumb adjective - Not having or showing an ability to absorb ideas readily.
Usage example: don't call him dumb just because he makes the occasional mistake like the rest of us
Sharp
Sharp adjective - Having or showing a practical cleverness or judgment.
Usage example: a sharp customer who wasn't about to be taken in by that smooth-tongued salesman
Both words in one sentence
- Dotty, her blonde co-star was not as sharp but also not dumb enough to qualify as a Dumb Blonde making her a Straight Man instead.
Source: Comic Book / Dizzy Dames -
Dumb Muscle: Kronk; somewhat subverted in that in certain narrow areas he displays razor-sharp competence.
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Short-range missiles are dumb-fired, so a sufficiently agile 'Mech, such as the Raven, can make sharp, sudden turns and get out of the way.
Source: High-Speed Missile Dodge
Cite this Source
Sharp and Dumb. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/dumb/sharp
Dumb & Sharp. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/dumb/sharp>.
Sharp or Dumb. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/dumb/sharp.
Google Ngram Viewer shows how "dumb" and "sharp" have occurred on timeline