[ strahy-der ]
/ ˈstraɪ dər /


a harsh, grating, or creaking sound.
Pathology. a harsh respiratory sound due to any of various forms of obstruction of the breathing passages.

Origin of stridor

1625–35; < Latin strīdor, equivalent to strīd(ēre) (see strident) + -or -or1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for stridor

  • Something extraordinary rent the air, dominating with its stridor the confused sounds of night.

    The Dead Command|Vicente Blasco Ibez

British Dictionary definitions for stridor

/ (ˈstraɪdɔː) /


pathol a high-pitched whistling sound made during respiration, caused by obstruction of the air passages
mainly literary a harsh or shrill sound

Word Origin for stridor

C17: from Latin; see strident
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

Medical definitions for stridor

[ strīdər, -dôr′ ]


A high-pitched noisy sound occurring during inhalation or exhalation, a sign of respiratory obstruction.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.