Causing worry or concern; making someone anxious about something bad that might happen.
From 'worry' (Old English 'wyrgan' meaning to strangle or choke) combined with the suffix '-some' meaning full of or having the quality of. The physical sensation of worry became its current meaning.
The original meaning of 'worry' was literally to choke or strangle—which is poetic because anxiety actually does create physical tightness in your throat and chest, so our word describes exactly what our bodies do when we're worried.
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