unbonneted

This night, wherein the cub-drawn bear would couch, The lion and the belly-pinched wolf Keep their fur dry, unbonneted he runs, And bids what will take all.

c. 1603–1606, William Shakespeare, “The Tragedie of King Lear”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act III, scene i]

The effect on entrance is very striking: a crowd, where the majority are females, with gay-coloured dresses, and their heads unbonneted, always gives the idea of festival:...

1831, L[etitia] E[lizabeth] L[andon], chapter XVI, in Romance and Reality. […], volume II, London: Henry Colburn and Richard Bentley, […], →OCLC, page 234

But I was, myself, far from being pleas'd with his having too much regarded my tender exclaims; for now, more and more fired with the object before me, as it still stood with the fiercest erection, unbonnetted, and displaying its broad vermilion head, I first gave the youth a re-encouraging kiss, which he repaid me with a fervour that seem'd at once to thank me, and bribe my farther compliance

Fanny Hill

1749, [John Cleland], “(Please specify the letter or volume)”, in Memoirs of a Woman of Pleasure [Fanny Hill], London: […] [Thomas Parker] for G. Fenton [i.e., Fenton and Ralph Griffiths] […], →OCLC