Third-person singular simple present indicative form of unleash.(verb)
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Use "unleashes" in a sentence
"What he unleashes is a lot more than he bargained for."
"Naturally, the toxin unleashes a plague that causes the infected to become homicidal maniacs."
"I have to admit, my first reaction to the McCain "unleashes" today (HW Jr in Montana, the Iran ad, and now this) just elicited a chuckle of disbelief."