Optimum and Worst

Opposite meaning words

Optimum adjective - Most desirable possible under a restriction expressed or implied.

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Worst is an antonym for optimum in topics: ideal, best.

Worst adjective - (superlative of `bad') most wanting in quality or value or condition.

Usage example: the worst player on the team

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Optimum is an antonym for worst.

Nearby Words: worse, worsting

And it's worth noting that even without any protection whatsoever, even in a perfectly fertile couple at optimum fertility times, a pregnancy is still not 100% guaranteed (in fact, by narrative rules, such a couple have the worst chances of anyone).

Source: But We Used a Condom

Cite this Source

Worst and Optimum. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/optimum/worst

Optimum & Worst. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/optimum/worst>.

Worst or Optimum. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/optimum/worst.

Google Ngram Viewer shows how "optimum" and "worst" have occurred on timeline