Fast and Inconstant

Opposite meaning words

Fast adjective - Firm in one's allegiance to someone or something.

Usage example: the two girls soon became fast and inseparable friends

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Inconstant is an antonym for fast in fixed topic.

Nearby Words: fasted, fasting

Inconstant adjective - Not true in one's allegiance to someone or something.

Usage example: an inconstant but always entertaining friend

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Fast is an antonym for inconstant.

Nearby Words: inconstancy, inconstantly

Cite this Source

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

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

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

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