Fast
Fast adjective - Marked by the ability to withstand stress without structural damage or distortion.
Usage example: as the storm approached, we checked to see that every thing on the outside of the house was fast and locked in position
Stable is a synonym for fast in quality topic. In some cases you can use "Stable" instead the word "Fast" as an adjective or an adverb, when it comes to topics like fixed, continue, indelible. popular alternative
Stable
Stable adjective - Marked by the ability to withstand stress without structural damage or distortion.
Usage example: the observation tower is stable enough to withstand the strongest winds without collapsing
Fast is a synonym for stable in secure topic. You can use "Fast" instead the word "Stable" as an adjective or an adverb, if it concerns topics such as firm, continue, constant. popular alternative
Mutual synonyms
Both words in one sentence
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Helicopter blades allow for stable and fast flight, but they are very large and easy targets, especially for rail guns.
Source: Videogame / Robocraft - You get the absolute best car in the game, incredibly fast and stable...after beating every opponent in career mode and winning every circuit race.
Source: Bragging Rights Reward -
The Day of the Triffids goes into a bit of detail about how the titular walking plants move, comparing them to a man on crutches and specifically noting that it's not an especially fast or stable method of locomotion.
Source: Tripod Terror
Cite this Source
Stable and Fast. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/fast/stable
Fast & Stable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/fast/stable>.
Stable or Fast. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/fast/stable.
Google Ngram Viewer shows how "fast" and "stable" have occurred on timeline