Fast
Fast adjective - Having or showing quickness of mind.
Usage example: I don't know how to operate this machine, but I'm a fast learner
Intelligent and fast are semantically related. In some cases you can use "Intelligent" instead an adjective "Fast".
Intelligent
Intelligent adjective - Having or showing quickness of mind.
Usage example: his intelligent response to the emergency averted a disaster
Fast and intelligent are semantically related. Sometimes you can use "Fast" instead an adjective "Intelligent".
Both words in one sentence
-
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 -
Animal control and safety equipment is completely inadequate because he refused to get better gear when it became obvious the animals were too fast and intelligent for what they stocked.
Source: Literature / Jurassic Park -
Nymph is really intelligent and fast, but weak, so relies more on subtlety or non-physical attacks.
Source: Manga / Heaven's Lost Property
Cite this Source
Intelligent and Fast. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/fast/intelligent
Fast & Intelligent. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/fast/intelligent>.
Intelligent or Fast. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/fast/intelligent.
Google Ngram Viewer shows how "fast" and "intelligent" have occurred on timeline