Fast
Fast adjective - Moving, proceeding, or acting with great speed.
Supersonic and fast are semantically related. in speedy topic. In some cases you can use "Supersonic" instead an adjective "Fast", when it comes to topics like nippy. informal substitute
Supersonic
Supersonic adjective - Of speed) greater than the speed of sound in a given medium (especially air.
Fast and supersonic are semantically related. Sometimes you can use "Fast" instead an adjective "Supersonic".
Mutual synonyms
Both words in one sentence
- He can push the air at supersonic speeds as a powerful ranged attack while also pushing himself so fast he seems to be teleporting.
Source: Semantic Superpower - Atmospheric friction takes the form of a supersonic shockwave as the air can't flow out of the way fast enough and is superheated by the resulting compression.
Source: Frictionless Reentry - The B-52 has been the US Air Force's frontline heavy bomber since the 1950's, despite the fact that it's not nearly as fast as the supersonic B-1B or as stealthy as the B-2 bombers.
Source: Boring But Practical / Real Life
Cite this Source
Supersonic and Fast. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fast/supersonic
Fast & Supersonic. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fast/supersonic>.
Supersonic or Fast. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fast/supersonic.
Google Ngram Viewer shows how "fast" and "supersonic" have occurred on timeline