Etymology From late Middle English noughti, naughty (“evil, immoral, wicked”), from nought (“evil, immoral”) + -ī̆ (suffix forming adjectives). Analysable as naught + -y.
1
Mischievous; tending to misbehave or act badly (especially of a child).
Some naughty boys at school hid the teacher's lesson notes.
2
Sexually provocative; now in weakened sense, risqué, cheeky.
I bought some naughty lingerie for my honeymoon.
If I see you send another naughty email to your friends, you will be forbidden from using the computer!
3
Informal, Of a treat Decadent, had as indulgence, especially an unhealthy one.
You knew I had to include at least one naughty chocolate smoothie, didn't you?!2014 November 18, Amber Shea Crawley, Practically Raw: Flexible Raw Recipes Anyone Can Make, Andrews McMeel Publishing, →ISBN:
my proneſſe to ſinne, and naughty appetites and desires, woulde drawe me headlong to the pitte of hell1589, John Bucke, Instructions for the Use of the Beades:
[…]How far that little candle throws his beams! So shines a good deed in a naughty world.c. 1596–1598 (date written), William Shakespeare, “The Merchant of Venice”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act V, scene i]:
3 more examples
A wicked doer giveth heed to false lips; and a liar giveth ear to a naughty tongue.1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Proverbs 17:4:
Wholesome meats to a vitiated stomack differ little or nothing from unwholesome; and best books to a naughty mind are not unappliable to occasions of evill.1644, John Milton, Areopagitica; a Speech of Mr. John Milton for the Liberty of Unlicenc’d Printing, to the Parlament of England, London: [s.n.], →OCLC:
In Cornwall is two speches, the one is naughty Englysshe, and the other is Cornysshe speche.1542, Andrew Boorde, The First Boke of the Introduction of Knowledge:
One basket had very good figs, even like the figs that are first ripe: and the other basket had very naughty figs, which could not be eaten, they were so bad.1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Jeremiah 24:2:
Etymology From late Middle English noughti, naughty (“evil, immoral, wicked”), from nought (“evil, immoral”) + -ī̆ (suffix forming adjectives). Analysable as naught + -y.