9 Grammatical Pitfalls


[slee-pee] /ˈsli pi/
adjective, sleepier, sleepiest.
ready or inclined to sleep; drowsy.
of or showing drowsiness.
languid; languorous:
a sleepy gesture.
lethargic; sluggish:
a sleepy brook.
a sleepy village.
inducing sleep; soporific:
sleepy warmth.
Origin of sleepy
1175-1225; Middle English; see sleep, -y1
Related forms
sleepily, adverb
sleepiness, noun
unsleepy, adjective
1. tired, somnolent, slumberous. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for sleepy
  • During that time he did not feel sleepy or tired and did not show any disorders of mood, memory, or anxiety.
  • Once beautiful but sleepy, this region is now beautiful but sophisticated.
  • Other brands contain melatonin, the hormone that maintains your body's circadian clock, but also can make you sleepy.
  • In this sleepy city, culture is king and locals are experts in the art of good living.
  • They'd been feeding, probably on an unlucky wildebeest, and watched us with sleepy eyes.
  • Melatonin is what is released in your body when you get sleepy.
  • Journalists descended on a sleepy excavation site there and reported that it was a favorite target of looters.
  • When using a chalkboard as the primary delivery device, the lights are on and sleepy students are more obvious.
  • Some won't be able to, because they haven't the vocabulary or the math skills, or they're sleepy from their other jobs.
  • It doesn't get you silly or sleepy but it does block the huge surges of panic that can be so debilitating.
British Dictionary definitions for sleepy


adjective sleepier, sleepiest
inclined to or needing sleep; drowsy
characterized by or exhibiting drowsiness, sluggishness, etc
conducive to sleep; soporific
without activity or bustle: a sleepy town
Derived Forms
sleepily, adverb
sleepiness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for sleepy

early 13c. from sleep (n.) + -y (2). Perhaps in Old English but not recorded. Old English had slæpor, slæpwerig in the sense "sleepy;" slæpnes "sleepiness." Cf. Old High German slafag. Of places, from 1851 (Irving's Sleepy Hollow is from 1820). Sleepy-head is from 1570s. Related: Sleepily; sleepiness.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for sleepy

Most English speakers likely know this word

Word Value for sleepy

Scrabble Words With Friends

Quotes with sleepy