Fast
Fast adjective - Moving, proceeding, or acting with great speed.
Usage example: the fast pace of construction resulted in our new house being done ahead of schedule
Strong is a synonym for fast in firm topic. In some cases you can use "Strong" instead the word "Fast" as an adjective or an adverb, when it comes to topics like continue, resistant.
Strong
Strong adjective - Marked by the ability to withstand stress without structural damage or distortion.
Usage example: buildings strong enough to withstand an earthquake
Fast is a synonym for strong in firm topic. You can use "Fast" instead an adjective "Strong", if it concerns topics such as continue, distinct, resistant.
Nearby Word: strongly
Mutual synonyms
Both words in one sentence
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She might be a powerful Miko, but she's not really physically strong or fast enough to slap youkai, like when she slapped Kouga, a youkai, without using any spiritual power.
Source: Armor-Piercing Slap -
In the indie role-playing game Warrior, Rogue, and Mage, the attribute system doesn't rate how strong or fast or intelligent you are — it rates you on how good a warrior you are, how good a rogue you are, and how good a mage you are.
Source: Fighter, Mage, Thief - The giant bugs in Grasshopper Jungle are similar to praying mantises, and they are described as being very fast and strong.
Cite this Source
Strong and Fast. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/fast/strong
Fast & Strong. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/fast/strong>.
Strong or Fast. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/fast/strong.
Google Ngram Viewer shows how "fast" and "strong" have occurred on timeline