Cupertino effect noun2 •The replacement, by a spell checker, of words that are real (such as proper nouns or alternate spellings), but missing from its internal dictionary, with words that are starkly incorrect in context.Although computer dictionaries have improved, the Cupertino effect still creates havoc. — 2015 •The failure of spell checkers to replace incorrectly spelled words with the actually intended words, resulting in miscorrections.
