Meaning of “naive” - Learner’s Dictionary

naive

adjective us uk /naɪˈiːv/

If someone is naive, they believe things too easily and do not have enough experience of the world:

I was much younger then, and very naive.
naively adverb

I naively believed that we would be treated as equals.
naivety noun [ U ] us uk /naɪˈiːvəti/

the quality of being naive

(Definition of “naive” from the Cambridge Learner’s Dictionary © Cambridge University Press)