stiller

/S T IH1 L ER0/
adjective
  1. 1

    Not moving; calm.

    โ€œStill waters run deep.โ€

  2. 2

    Not effervescing; not sparkling.

    โ€œstill water; still winesโ€

  3. 3

    Uttering no sound; silent.

  4. 4

    Having the same stated quality continuously from a past time

  5. 5

    Comparatively quiet or silent; soft; gentle; low.

  6. 6

    Constant; continual.

noun
  1. 1

    One who stills, or quiets.

Source: https://en.wiktionary.org/wiki/still, https://en.wiktionary.org/wiki/stiller