dotty

/ˈdɑti/
adjective
  1. Slightly crazy or eccentric in a harmless or amusing way.
    • My aunt is a bit dotty but always tells the funniest stories.
    • She came up with a dotty plan to build a rocket in her backyard.
    • The old man had a dotty habit of talking to his garden plants.
  2. Covered with or consisting of dots; spotted.
    • The artist's dotty style reminded me of pointillism.
    • She wore a dotty dress with tiny polka dots.
    • The butterfly's wings were dotty with bright blue spots.
Antonyms
What does "dotty" mean? | whatsthatwordmean | whatsthatwordmean