speedy

UK: /ˈspiːdi/ US: /ˈspidi/ ,(spē′dē)

Inflections of 'speedy' (adj):

speedier

adj comparative

speediest

adj superlative

WordReference Random House Learner's Dictionary of American English © 2025

speed•y /ˈspidi/   adj., -i•er, -i•est. 

1. able to move quickly:
   a speedy race car.
2. proceeding quickly:
   Best wishes for a speedy recovery.

speed•i•ly, adv. 

WordReference Random House Unabridged Dictionary of American English © 2025

speed•y  (spē′dē), adj., speed•i•er, speed•i•est. 

1. characterized by speed;
   rapid;
   swift;
   fast.
2. coming, given, or arrived at quickly or soon;
   prompt;
   not delayed:
   a speedy recovery.

• Middle English spedy. See speed, -y¹ 1325–75

speed′i•ly, adv. 
speed′i•ness, n. 
Synonyms

• 1. quick.
• 2. expeditious.

Collins Concise English Dictionary © HarperCollins Publishers::

speedy / ˈspiːdɪ/ adjective (speedier, speediest)

1. characterized by speed of motion
2. done or decided without delay; quick

ˈspeedily adverb

ˈspeediness noun