not very quick Antonyms

sonic alacritous airborne overdrive witted vulpine volant turbo trickish timeserving tantivy autodidactic quickie quicky sideward Shannon on the spot street-smart high-speed mountain pass like fun speed of light shoelace in short order swift speedy speeder cometary calculative brisk breve breakneck blistering belletristic astucious alar aeronautical deep-laid deviceful dispatchful skull rapid pennate oversoon meteoric manipulative instantaneous hasty guileful double-quick