9 Grammatical Pitfalls


[drou-zee] /ˈdraʊ zi/
adjective, drowsier, drowsiest.
half-asleep; sleepy.
marked by or resulting from sleepiness.
dull; sluggish.
inducing lethargy or sleepiness:
drowsy spring weather.
Origin of drowsy
1520-30; drowse + -y1
Related forms
drowsily, adverb
drowsiness, noun
1. somnolent, dozy. 3. lethargic, listless. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for drowsiness
  • More commonly, they exploit fire's drowsiness in the early morning.
  • Riders must be physically able to complete the ride and not be on medications that cause drowsiness or inattentiveness.
  • Each night he added to the pattern of his fancies until drowsiness closed down upon some vivid scene with an oblivious embrace.
  • Many of these are known to cause fatigue and daytime drowsiness.
  • In general, drowsiness is feeling the need to sleep.
  • The normal sleep cycle has distinct stages, from light drowsiness to deep sleep.
  • Their benefits for the cold are likely to be due to the drowsiness they cause.
  • These drugs can cause nausea, vomiting, and drowsiness.
  • Scopolamine is effective but may produce dry mouth, blurred vision, and some drowsiness.
  • These antidepressants produce side effects similar to anticholinergic drugs, and may cause drowsiness.
British Dictionary definitions for drowsiness


adjective drowsier, drowsiest
heavy with sleepiness; sleepy
inducing sleep; soporific
sluggish or lethargic; dull
Derived Forms
drowsily, adverb
drowsiness, 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
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Word Origin and History for drowsiness



1520s, probably ultimately from Old English drusan, drusian "sink," also "become languid, slow, or inactive" (related to dreosan "to fall"), from Proto-Germanic *drus- (see dreary). But there is no record of it in Middle English. Related: Drowsily; drowsiness.

Online Etymology Dictionary, © 2010 Douglas Harper
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drowsiness in Medicine

drowsiness drows·i·ness (drou'zē-nĭs)
A state of impaired awareness associated with a desire or inclination to sleep. Also called hypnesthesia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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