frumpy

/F R AH1 M P IY0/
adjective
  1. 1

    Dowdy, unkempt, or unfashionable.

    โ€œShe came to the door in a frumpy housedress and bedroom slippers.โ€

  2. 2

    Bad-tempered.

Source: https://en.wiktionary.org/wiki/frumpy