Thesaurus / swiftliest
FEEDBACK- at once
- breakneck
- directly
- double-quick
- expeditious
- flat-out
- fleet
- fleetly
- full tilt
- hastily
- hasty
- headlong
- lickety-split
- pell-mell
- promptly
- pronto
- quick
- quickly
- rapid
- rapidly
- speedily
- speedy
- straightaway
- swift
- swiftly
On this page you'll find 32 synonyms, antonyms, and words related to swiftliest, such as: fast, jiffy, quickly, rapidly, speed, and swiftly.
antonyms for swiftliest
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Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.