Use 'pungency' to describe very strong, sometimes overwhelming taste or smell from foods or substances. The pungency of raw onions overwhelmed the salad's other flavors.
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Negative Connotation
It often implies an unpleasant or harsh experience for the senses. Many people avoid horseradish due to its pungency.
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Not Always Bad
In some contexts, pungency adds desired flavor, like in certain cuisines. The pungency of the chili is what makes this dish authentic.