Definition of "tetchy"

Nurce: ...But as I said, when it did tast the wormwood on the nipple of my dug, & felt it bitter, pretty foole to see it teachie and fall out with Dugge...

c. 1591–1595 (date written), William Shakespeare, “The Tragedie of Romeo and Ivliet”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act I, scene iii]

King. And came I not at last to comfort you?Du. No by the holie roode thou knowst it well,Thou camst on earth to make the earth my hell,A greuous burthen was thy berth to me,Techie and waiward was thy infancie,Thy schoele-daies frightful, desperate, wild, and furious.

c. 1593 (date written), William Shakespeare, “The Tragedy of Richard the Third: […]”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act IV, scene iv]

Nurse: […] But as I said, when it did taste the worme-wood on the nipple of my dug, and felt it bitter, pretie foole, to see it teachie and fall out with the Dugge...

c. 1591–1595 (date written), William Shakespeare, “The Tragedie of Romeo and Ivliet”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act I, scene iii]

Our hart is so narrowly limited that (by euery little distaste) we are strangely altered, and being in this teasty tetchy way, presently we let flye foorth much vnseemelines.

1605, “Chapter 6”, in Anthony Munday, transl., The Dumbe Diuine Speaker‎, London: William Leake, translation of original by Giacomo Affinati d’Acuto Romano, page 58

I warrant, sir, he is, as you say, a very precise acrimonious person—A tetchy repugnant kind of old gentleman.

1792, Thomas Holcroft, edited by J. Bragg, The Road to Ruin‎, Dublin, act 5, page 65

They’re good boys, as I said afore; but they’re quick and tetchy—George, being the youngest, nat’rally is the tetchiest.

1887, Bret Harte, A Millionaire of Rough-and-Ready and Devil’s Ford‎, Devil’s Ford, page 238

[…] the commonplace Communist simply loses his temper if you venture to doubt whether everything is being done in precisely the best and most intelligent way under the new régime. He is like a tetchy housewife who wants you to recognise that everything is in perfect order in the middle of an eviction.

1920, H. G. Wells, “Chapter 6”, in Russia in the Shadows‎