slimmest

/S L IH1 M AH0 S T/
adjective
  1. 1

    Slender, thin.

  2. 2

    (of something abstract like a chance or margin) Very small, tiny.

    โ€œI'm afraid your chances are quite slim.โ€

  3. 3

    (rural) Bad, of questionable quality; not strongly built, flimsy.

    โ€œA slimly-shod lad;โ€

  4. 4

    Sly, crafty.

Source: https://en.wiktionary.org/wiki/slim, https://en.wiktionary.org/wiki/slimmest