lexicologistlexicologist means an expert at lexicology. Lexicurio rates it Sui generis — a strength score of 85 out of 100.EtymologyFrom Ancient Greek λεξικός (lexikós, “of words”), from λέξις (léxis, “a saying, speech, word”), from λέγειν (légein, “to speak”). By surface analysis, lexico- + -logist.nounan expert at lexicology