umbrageous

adjective2

1. •
   Having or providing shade; shady.

   • […] What tho' his Forests wave / Umbrageous to the Gale, and Nature walks / In loose Luxuriance o'er his native Plains; / Those Forests wave, those Plains delight no more; / […] — 1766
2. •
   (figurative) Irritable, easily upset.