Swiftest
Swiftest is the superlative form of the adjective swift, used to describe the greatest degree of speed within a particular group or category. It denotes the most rapid movement or quickest response among several options, as in phrases like “the swiftest runner” or “the swiftest reply.” While it can be used in everyday language, it often carries a more formal or literary tone than the more common synonym fastest.
Grammatical notes and etymology: swiftest forms from the Old English word swift, with the standard modern comparative
Usage and nuance: swiftest emphasizes speed as an attribute tied to efficiency, agility, or decisiveness, rather
Related terms: swift, swifter, swiftest; synonym or related adjective fastest; adverb swiftly; noun swiftness. The choice