Meaning of “jejune” in the English Dictionary

british dictionary

"jejune" in British English

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jejuneadjective

uk /dʒəˈdʒuːn/ us /dʒəˈdʒuːn/ formal disapproving

very simple or childish:

He made jejune generalizations about how all students were lazy and never did any work.

boring and not interesting :

a jejune lecture by one of our professors

(Definition of “jejune” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)