Definition of non-certainty in English:

non-certainty

Pronunciation /nɒnˈsəːt(ɪ)nti/

noun

  • Uncertainty.

    Apparently Obsolete or rare in the 18th and 19th centuries.

Origin

Late 15th century; earliest use found in Rolls of Parliament. From non- + certainty, after Anglo-Norman noun certeineté, noun certeynté.