Pleasant sounds are nice to hear and unpleasant sounds are not nice to hear.
noise
noise
Example OF A unpleasant emotion
An unpleasant sound could be called any number of things, including annoying.
Farts
Up the urethra (its not as unpleasant as it sounds).
Examples of unpleasant qualities: aggressiveness cruelty dishonesty greediness indifference insensitivity meanness rudeness selfishness stinginess threatening vanity
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breathing
examples of plosive sounds