I. adjectiveEtymology: Middle English adel filth, from Old English adela; akin to Middle Low German adele liquid manure Date: 1682 1.of an eggrotten2.confusedII. verb (addled; addling) Date: 1682 transitive verb to throw into confusion ;confoundintransitive verb1. to become rotten ;spoil2. to become confused
v. & adj. --v. 1 tr. muddle, confuse. 2 intr. (of an egg) become addled. --adj. 1 muddled, unsound (addle-brained; addle-head). 2 empty, vain. 3 (of an egg) addled. Etymology: OE adela filth, used as adj., then as verb
Addle Ad"dle, v. t. & i. [OE. adlen, adilen, to gain, acquire; prob. fr. Icel. ["o][eth]lask to acquire property, akin to o[eth]al property. Cf. Allodial.] 1. To earn by labor. [Prov. Eng.] --Forby. 2. To thrive or grow; to ripen. [Prov. Eng.] Kill ivy, else tree will addle no more. --Tusser.