D defs.my
Entry 3 senses Webster, 1913

Skepticism

/skĕp'-tĭs-ĭzˌ-əm/ · Skep·ti·cism · IPA /ˈskɛp.tɪˌsɪ.zəm/
01 n. An undecided, inquiring state of mind; doubt; uncertainty.
  1. 1.
    An undecided, inquiring state of mind; doubt; uncertainty.
    “That momentary amazement, and irresolution, and confusion, which is the result of skepticism.” — Hune.
  2. 2.
    The doctrine that no fact or principle can be certainly known; the tenet that all knowledge is uncertain; Pyrrohonism; universal doubt; the position that no fact or truth, however worthy of confidence, can be established on philosophical grounds; critical investigation or inquiry, as opposed to the positive assumption or assertion of certain principles.(Metaph.)
  3. 3.
    A doubting of the truth of revelation, or a denial of the divine origin of the Christian religion, or of the being, perfections, or truth of God.(Theol.)
    “Let no . . . secret skepticism lead any one to doubt whether this blessed prospect will be realized.” — S. Miller.