squeaky

/ˈskwiki/
adjective
  1. Making a short, high-pitched sound, like a small animal or a rusty hinge.
    • The old door has a squeaky hinge that needs oil.
    • Her voice is high and squeaky when she gets excited.
    • The puppy let out a squeaky bark.
  2. Very clean, pure, or morally upright (often in the phrase 'squeaky clean').
    • They bought a squeaky clean used car with no accidents.
    • The politician has a squeaky clean reputation.
    • Her room was squeaky clean after the deep cleaning.