Characterized by strong or frequent wind. Also means verbose or long-winded in speech, or experiencing intestinal gas.
From Old English 'windig', from 'wind' plus adjectival suffix '-y'. The meteorological sense is oldest, while 'long-winded' (verbose) developed by metaphor in the 16th century, and the digestive sense emerged later from the same root.
The connection between weather and wordiness in 'windy' reflects how humans use physical experiences to describe abstract concepts. A 'windy' speaker is metaphorically full of hot air, just like the atmosphere on a blustery day.
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