drowsy

UK: /ˈdraʊzi/ US: /ˈdraʊzi/ ,(drou′zē)

Inflections of 'drowsy' (adj):

drowsier

adj comparative

drowsiest

adj superlative

WordReference Random House Learner's Dictionary of American English © 2026

drow•sy /ˈdraʊzi/   adj., -si•er, -si•est. 

1. half-asleep;
   sleepy:
   The medicine made me drowsy.
2. causing or bringing about sleepiness:
   drowsy spring weather.

drow•si•ness, n. 

[uncountable] drowsiness caused by medication.

WordReference Random House Unabridged Dictionary of American English © 2026

drow•sy  (drou′zē), adj., -si•er, -si•est. 

1. half-asleep;
   sleepy.
2. marked by or resulting from sleepiness.
3. dull;
   sluggish.
4. inducing lethargy or sleepiness:
   drowsy spring weather.

• drowse + -y¹ 1520–30

drow′si•ly, adv. 
drow′si•ness, n. 
Synonyms

• 1. . somnolent, dozy.
• 3. . lethargic, listless.

Collins Concise English Dictionary © HarperCollins Publishers::

drowsy / ˈdraʊzɪ/ adjective (drowsier, drowsiest)

1. heavy with sleepiness; sleepy
2. inducing sleep; soporific
3. sluggish or lethargic; dull

ˈdrowsily adverb

ˈdrowsiness noun