slier

/S L AY1 ER0/
adjective
  1. 1

    Artfully cunning; secretly mischievous; wily.

  2. 2

    (having a positive connotation) Dexterous in performing an action, so as to escape notice

  3. 3

    Done with, and marked by, artful and dexterous secrecy; subtle

  4. 4

    Light or delicate; slight; thin.

adverb
  1. 1

    Slyly.

noun
  1. 1

    A surname

  2. 2

    A diminutive of the male given name Sylvester.