folily

• foliliche, folyly, folilyche, folylyche, folely, folyliche, folilich, folilye, folylych, folilie, folili

From folye +‎ -ly.

• IPA^(key): /ˈfoːliːliː/, /ˈfoːliliː/, /ˈfoːləliː/, /ˈfoːliːliːtʃ(ə)/

folily

1. Foolishly, idiotically, in an ill-advised or knowledgeless way.
   • 1387, Chaucer, “v. 7061”, in The Tale of Melibee‎^[1]:

     ...for thynges that been folily doon, and that been in hope of Fortune, shullen nevere come to good ende.

     (please add an English translation of this quotation)

2. Immorally; in a sinful, immoral or evil way.
3. (rare) Lustfully, lewdly.

• “fōlīlī, adv.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 17 July 2018.
• “folily”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.