slow up slo·wup uncommon verb 1. become slow or slower “Production slowed” Synonymsslowslow downslow upslackslacken 2. cause to proceed more slowly “The illness slowed him down” Synonymsslowslow downslow up 3. lose velocity; move more slowly “The car decelerated” Synonymsdecelerateslowslow downslow upretard Antonymsaccelerate Related words Word family retardationslowdownslowingdecelerationslack Broader terms decreaseweakendecelerate Narrower terms slowdelaybog downclog WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
