Origin Story
Hidden inside naughty is a "nothingness" that connects to the number zero. The Old English nawiht meant "no (na) thing (wiht)" at all — nothing, nil. From it came naught ("nothing"). In the 14th century, naught plus the suffix -y gave naughty, used to mean "having nothing at all, that is, poor." But in an age that looked down on the poor, the word gradually shifted toward "worthless, wicked, bad." By the 17th century it had settled into the gentler sense we know today: children who disobey and get up to mischief.
Nought, which springs from the same naught, still means the number zero in British English. The shift from "having nothing" to "being a bad person" is the mark of an old society that treated poverty almost as a sin — a prejudice carved right into the word.
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Online Etymology Dictionarynaughty (adj.): late 14c., "needy, having nothing," from Middle English naught "evil, an evil act," also "nothing," + -y; sense of "wicked, evil, morally wrong" is from 1520s; specialized sense of "disobedient" (of children) is from c. 1600
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Merriam-Webster Dictionarynaughty: Middle English naughti, from naught, nought nothing, evil, from Old English nawiht
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Oxford English Dictionarynaughty: from naught "nothing," originally meaning "possessing nothing, poor," later "wicked," then "badly behaved"
Word Evolution
Words from the Same Root
Memory Hook
Remember naughty = naught ("nothing") + y. "Having nothing" turned into "being bad."
""Behind the shift from \"having nothing\" to \"being bad\" lay the gaze of an older age.""