One who starts fights about the meaning of words.(noun)
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Use "logomachist" in a sentence
"I was speaking yesterday with our newly-minted editor-in-chief and resident logomachist, Beau Friedlander, whose surname owes its etymology to a crude Alsatian phrase denoting "the cattle are dying," and we were marveling at how lipstick-gate has co-opted all news analyses and shared our mutual contempt for appending any perceived controversy with the suffix "gate.""