Not clear or distinct, either because of mist or clouds, or because something is unclear in memory or understanding.
Origin uncertain, possibly from 'haze' (fine dust or vapor), first recorded in English around 1600. Related to Dutch 'hase' or Frisian 'hasia,' meaning mist or fog.
Interestingly, 'hazy' is becoming more than just figurative—in many cities, air quality now makes it literally hazy most days due to pollution and wildfire smoke. The word has taken on new urgency as a description of environmental problems we can literally see in the sky.
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