addle
adjective
°Having lost the power of development, and become rotten, as eggs; putrid.
°Unfruitful or confused, as brains; muddled. John Dryden.
noun
°(obsolete) Liquid filth; mire.
°(provincial) Lees; dregs. Wright.
verb
°To make addle; to grow addle; to muddle; as, he addled his brain.
°: "Their eggs were addled." William Cowper.