Entry 6 senses · 4 variants Webster, 1913 Addle /ăd'-əl/ · Ad·dle · IPA /ˈæ.dəl/ n. a. v. t. & i. v. t. & i. 01 n. Liquid filth; mire. 1. Liquid filth; mire.[Obs.] 2. Lees; dregs.[Prov. Eng.] 02 a. Having lost the power of development, and become rotten, as eggs; putrid. Hence: Unfruitful or confused, as brains; muddled. 1. Having lost the power of development, and become rotten, as eggs; putrid. Hence: Unfruitful or confused, as brains; muddled. 03 v. t. & i. To make addle; to grow addle; to muddle; as, he addled his brain. imp. & p. p. Addled; p. pr. & vb. n. Addling 1. To make addle; to grow addle; to muddle; as, he addled his brain. 04 v. t. & i. To earn by labor. 1. To earn by labor.[Prov. Eng.] 2. To thrive or grow; to ripen.[Prov. Eng.] “Kill ivy, else tree will addle no more.” — Tusser.