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
Speedy is a synonym for fast in quick topic. In some cases you can use "Speedy" instead the word "Fast" as an adjective or an adverb, when it comes to topics like hasty, hurried, swift. popular alternative
Speedy
Speedy adjective - Moving, proceeding, or acting with great speed.
Usage example: a speedy worker but not a very careful one, unfortunately
Fast is a synonym for speedy in quick topic. You can use "Fast" instead the word "Speedy" as an adjective or a noun or an adverb, if it concerns topics such as hasty, hurried, swift, rapid. popular alternative
Mutual synonyms
Both words in one sentence
-
The Castlevania games have had several different mechanisms for speedy movement; the current trend is to give the player something really fast, but not till late in the game.
Source: Sprint Shoes -
Even Slowpoke Rodriguez, Speedy's audaciously ridiculous Erudite Stoner cousin, is a gun-toting badass and "fast upstairs in the cabeza," and hypnotizes Sylvester in seconds.
Source: Mexicans Love Speedy Gonzales - Note that it also went in an opposite direction: initially, the speedy archer Uryu was fighting against a giant and The Big Guy Chad has been fighting against a fast shooting Arrancar.
Source: Opponent Switch
Cite this Source
Speedy and Fast. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fast/speedy
Fast & Speedy. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fast/speedy>.
Speedy or Fast. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fast/speedy.
Google Ngram Viewer shows how "fast" and "speedy" have occurred on timeline