Definition of "moe"

moe¹

/məʊ.eɪ/

noun
uncountable
1. (fandom slang) Strong interest in, and especially fetishistic attraction towards, fictional characters in anime, manga, video games, and/or similar media.
  Quotations
  Someone who is pretty or beautiful isn't moe by definition. Moe characters don't always have to be younger girls, but it certainly helps! In fact, moe characters don't even have to be female! As long as they make you feel like you want to hug and protect them, that's enough!
  2015 December 9, Jankenpopp, “Top 15 kawaii and moe anime girls”, in My Anime List‎
  Despite its moe roots and preference for hijinks, Bocchi The Rock is a loving celebration of rock music and the joys of being in a band.
  2023 September 5, Trent Murray, “10 Best Anime Like Bocchi The Rock”, in MSN‎, Carole and Tuesday
adjective
comparative more moe or moe-er, superlative most moe or moe-est
1. (fandom slang) Cute, adorable. (of fictional chracters in anime, manga, video games, and/or similar media)

moe²

/məʊ/

adverb
1. Obsolete form of mo.
2. Obsolete form of more.
  Quotations
  Sing no more ditties, sing no moe.
  1598–1599 (first performance), William Shakespeare, “Much Adoe about Nothing”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act II, scene iii]
  The crafty courtiers with their guileful looks,Must needs put some experience in my maw:Yet cannot these with many mast'ries moeMake me shoot straight at any gainful prick […]
  c. 1572, George Gascoigne, Woodmanship
noun
1. Obsolete form of mow (“wry face, grimace”).
2. Obsolete form of moa.
verb
1. Obsolete form of moo.
2. Obsolete form of mow (“to make faces”).