Third-person singular simple present indicative form of replace.(verb)
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Use "replaces" in a sentence
"His name replaces that of previous chief cashier Andrew Bailey - whose signature still appears on most banknotes in circulation."
"A party gets the Olly Girls fired; Erin replaces Janelle, who is on probation for her antics."
"I hate his guts, oh yes I do, I hate him and all his friends and associates and everything he stands for, and I hope his name replaces Carter as the new byword for failure and incompetence."