Agent noun of apologise; one who apologises.(noun)
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Use "apologiser" in a sentence
"The second part an utterly embarrassing piece of solidarity with the solider-than-life, three short planks of a self-serving thickie, old spanker and asbestos apologiser."
""Oh, nonsense!" said Riddell, who could never stand being apologised to, and always felt more uncomfortable at such times than the apologiser."
"I beg your pardon, Lady Kew, "here breaks in Jack the apologiser."