Fast and Witless

Opposite meaning words

Fast adjective - Having or showing quickness of mind.

Usage example: I don't know how to operate this machine, but I'm a fast learner

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Witless is an antonym for fast.

Nearby Words: fasted, fasting

Witless adjective - Not having or showing an ability to absorb ideas readily.

Usage example: a dog so witless that it is barely trainable

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Fast is an antonym for witless.

Cite this Source

Witless and Fast. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fast/witless

Fast & Witless. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fast/witless>.

Witless or Fast. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fast/witless.

Google Ngram Viewer shows how "fast" and "witless" have occurred on timeline