Synonyms for Nescient (same or very similar meaning)
WordNet sense 1 (holding that only material phenomena can be known and knowledge of spiritual matters or ultimate causes is impossible):
unbelieving
WordNet sense 2 (uncertain of all claims to knowledge):
agnostic, agnostical
WordNet sense 3 (uneducated in general; lacking knowledge or sophistication):
unenlightened, unlearned, unlettered
WordNet sense 4 (not having a good education):
uneducated
From the ODE community, based on WordNet
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