downier

/D AW1 N IY0 ER0/
adjective
  1. 1

    Having down, covered with a soft fuzzy coating as of small feathers or hair.

    โ€œThe chick's downy coat of feathers formed almost immediately to keep it warm.โ€

  2. 2

    Sharp-witted, perceptive.

Source: https://en.wiktionary.org/wiki/downier, https://en.wiktionary.org/wiki/downy