Home › Words › S › swiftnessswiftness/ˈswɪftnɪs/swiftness means the state of being swift.Among words judged in Lexicurio's Arena, swiftness ranks #12,781 of 42,747 for Qualifying.swiftness is pronounced /ˈswɪftnɪs/.EtymologyFrom Middle English swiftnesse, swyftnesse, from Old English swiftnes (“swiftness”), equivalent to swift + -ness.nounThe state of being swift.e.g.“with remarkable swiftness”Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.speediness 77% match — The property of being fast; swiftness. vs swiftness →swiftly 71% match — In a swift manner; quickly; with quick motion or velocity; fleetly. vs swiftness →quickness 70% match — rapidity of movement or activity; agility or dexterity vs swiftness →fleetness 70% match — The quality of being fleet or swift; rapidity. vs swiftness →pernicity 68% match — swiftness; celerity vs swiftness →nimbleness 66% match — The quality of being nimble. vs swiftness →deftness 65% match — Skilfulness, being quick in action. vs swiftness →spryness 64% match — The property of being spry. vs swiftness →