say it: jej-OON
jejune is an adjective meaning "of insufficient quantity to meet a need". It carries 3 recorded senses.
of insufficient quantity to meet a need
“an inadequate income”
“a poor salary”
“money is short”
“on short rations”
“food is in short supply”
“short on experience”
“the jejune diets of the very poor”
displaying or suggesting a lack of maturity
“adolescent insecurity”
“jejune responses to our problems”
“their behavior was juvenile”
“puerile jokes”
lacking interest or significance or impact
“an insipid personality”
“jejune novel”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for jejune come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.