Definition of "conceited"

If you think me too conceited / Or to passion quickly heated.

c. 1732, Jonathan Swift, Epistle to a Lady

Conceited of their own wit, and science, and politeness.

1692, Richard Bentley, [A Confutation of Atheism] (please specify the sermon), London: [Thomas Parkhurst; Henry Mortlock], published 1692–1693

And another asked me if I had come to get a Canadian sweetheart; and a third, one of the impudentest, most conceitedest fellows I ever did set eyes upon, nudged me, so that I spilled my coffee all over my second-best damask-silk apron—the one with bugle fringe, you know, Miss Capel—and says he, ‘Is it a case of Barkis is willin'?'

1877, Emma Jane Worboise, “The New Evangeline”, in The Grey House at Endlestone, London: James Clarke and Co., […]; Hodder and Stoughton, […], page 480

Conceited wit showed its character towards the end of the fifteenth century in the work of poets who made it their aim to exercise their hearers' minds with cleaver plays of metaphor and ingenious reasoning.

2006, A. J. Smith, Metaphysical Wit‎, page 20

AN EXCELLENT conceited Tragedie OF Romeo and Iuliet. As it hath been often (with great applause) plaid publiquely

c. 1591–1595 (date written), [William Shakespeare], […] Romeo and Juliet. […] (First Quarto), London: […] Iohn Danter, published 1597, (please specify the act number in uppercase Roman numerals, and the scene number in lowercase Roman numerals)

He was […] pleasantly conceited, and sharp of wit.

1603, Richard Knolles, The Generall Historie of the Turkes, […], London: […] Adam Islip

A conceited chair to sleep in.

1644 November 20 (Gregorian calendar), John Evelyn, “”, in William Bray, editor, Memoirs, Illustrative of the Life and Writings of John Evelyn, […], 2nd edition, volume I, London: Henry Colburn, […]; and sold by John and Arthur Arch, […], published 1819