niftier

/N IH1 F T IY0 ER0/
adjective
  1. 1

    Good, smart; useful or beneficial.

    โ€œa nifty trick for reducing your household energy billโ€

  2. 2

    Stylish.

Source: https://en.wiktionary.org/wiki/niftier, https://en.wiktionary.org/wiki/nifty