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Loud

A sound is described as loud if it is high in volume (amplitude, or acoustic energy). By extension, a person who emits noise (with the voice or otherwise) either loudly or a lot of the time can be described as loud. Whether this is an insult or a compliment is a matter of personal preference: some people self-describe as "loud" while many others consider loud people to be intensely irritating.

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Quadratic formula

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