a. (UN-1 7 b.)
1611. Cotgr., Immarcessible,… vnuadeable, vnwitherable.
1845. Jonesborough (TN), Whig, 27 Aug., 1/1. Wandering amid a wilderness of flowers, come laden with aromatic sweets to greet the sense, and fill the soul with emotions that are unwitherable.
1917. Saintsbury, Hist. Fr. Novel, I. 382. This reed, which waves … with unwitherable greenness.
