WordReference Random House Learner's Dictionary of American English © 2026
speed•y /ˈspidi/USA pronunciation
adj., -i•er, -i•est. proceeding quickly:Best wishes for a speedy recovery.
speed•i•ly, adv.
WordReference Random House Unabridged Dictionary of American English © 2026- able to move quickly:a speedy race car.
speed•y
(spē′dē),USA pronunciation adj., speed•i•er, speed•i•est.
speed′i•ly, adv.
speed′i•ness, n.
- characterized by speed;
rapid;
swift;
fast. - coming, given, or arrived at quickly or soon;
prompt;
not delayed:a speedy recovery.
- Middle English spedy. See speed, -y1 1325–75
speed′i•ness, n.
- 1. quick. 2. expeditious.
'speedily' also found in these entries (note: many are not synonyms or translations):