Definition of "coy"

The ill-bred miss, the bird-brained Jill, / May simper and be coy at will; / A lady, sir, as you will find, / Keeps counsel, or she speaks her mind, / Means what she says and scorns to fence / And palter with feigned innocence.

1981, A. D. Hope, “His Coy Mistress to Mr. Marvell”, in A Book of Answers

Enforced hate, / Instead of love's coy touch, shall rudely tear thee.

1594, William Shakespeare, Lucrece (First Quarto), London: […] Richard Field, for Iohn Harrison, […]

Come sit thee down upon this flowery bed, / While I thy amiable cheeks do coy.

c. 1595–1596 (date written), William Shakespeare, “A Midsommer Nights Dreame”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act IV, scene i]

For now there are ſprung up a wiſer generation in this kind, who have the Art to coy the fonder ſort into their nets

1635, Edward Rainbowe, Labour Forbidden, and Commanded. A Sermon Preached at St. Pauls[sic] Church, September 28. 1634., London: Nicholas Vavasour, page 29