Get our exclusive Word of the Day images!


[stres-er, -awr] /ˈstrɛs ər, -ɔr/
an activity, event, or other stimulus that causes stress.
1950-55; stress + -or2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for stressors
  • It has evolved over the millennia as the body's physical and emotional response to external stimuli, or stressors.
  • Furthermore, this gene therapy was able to prevent the expansion of neurons in the amygdala after repeated stressors.
  • By charting moods over time, it can be easier to spot stressors.
  • Time away from the source of stressors helps regather crashed emotional resources, such as a sense of mastery and social support.
  • But the truth is that stressors of a wide variety await new brothers and sisters of the faculty.
  • We propose that this rapid migration into new habitats selected for individuals with low reactivity to novel stressors.
  • My guess is that it probably has not been under any particular stressors that cause changes.
  • But in the short run, it means that the plants are less healthy and are stunted and more vulnerable to stressors such as droughts.
  • Users can also chart their scores over time, looking for particular stressors of anxiety, depression or happiness.
  • All the stressors, day in and day out, take their toll.
British Dictionary definitions for stressors


an event, experience, etc, that causes stress
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 stressors



1950, agent noun in Latin form from stress (v.).

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for stressor

Some English speakers likely know this word

Word Value for stressors

Scrabble Words With Friends