Following are all the jejune like words, in the list below.
INSUBSTANTIAL
100% like jejune
INSIPID
100% like jejune
UNINTERESTING
99.99% like jejune
UNWHOLESOME
99.96% like jejune
JUVENILE
99.73% like jejune
PUERILE
99.72% like jejune
ADOLESCENT
99.7% like jejune
IMMATURE
99.7% like jejune
CHILDISH
66.43% like jejune
ARID
66.26% like jejune
VAPID
33.45% like jejune
VACUOUS
33.45% like jejune
SOPHOMORIC
33.45% like jejune
BANAL
33.45% like jejune
INFANTILE
33.45% like jejune
HACKNEYED
33.45% like jejune
ANODYNE
33.45% like jejune
REBARBATIVE
33.45% like jejune
MUDDLEHEADED
33.45% like jejune
UNENLIGHTENING
33.45% like jejune
PHILIPPIC
33.45% like jejune
RODOMONTADE
33.45% like jejune
SCHOOLBOYISH
33.45% like jejune
MAUNDERINGS
33.45% like jejune
INSIPIDITY
33.45% like jejune
BROMIDIC
33.45% like jejune
INANE
33.45% like jejune
DILETTANTISH
33.45% like jejune
FATUOUS
33.45% like jejune
IMPERCEPTIVE
33.45% like jejune
NESCIENT
33.45% like jejune
UNINSTRUCTIVE
33.45% like jejune
OVERWROUGHT
33.45% like jejune
DOLTISH
33.45% like jejune
VAPIDITY
33.45% like jejune
ATRABILIOUS
33.45% like jejune
APERCU
33.45% like jejune
SENTENTIOUSNESS
33.45% like jejune
PUERILITY
33.45% like jejune
IMBECILIC
33.45% like jejune
MALADROIT
33.45% like jejune
SCHOOLMARMISH
33.45% like jejune
LUGUBRIOUS
33.45% like jejune
PLATITUDINOUS
33.45% like jejune
DESULTORY
33.45% like jejune
UNPERCEPTIVE
33.45% like jejune
TURGID
33.45% like jejune
REPETITIOUSNESS
33.45% like jejune
GLIB
33.45% like jejune
EPIGONE
33.45% like jejune
OFFHANDEDNESS
33.45% like jejune
CAVILING
33.45% like jejune
OTIOSE
33.45% like jejune
OVERFAMILIAR
33.45% like jejune
CRETINOUS
33.45% like jejune
POLLYANNAISH
33.45% like jejune
LUCUBRATION
33.45% like jejune
UNINVENTIVE
33.45% like jejune
UNACADEMIC
33.45% like jejune
MAUNDERING
33.45% like jejune
PEDANTIC
33.45% like jejune
PRURIENT
33.45% like jejune
PROSAIC
33.45% like jejune
VACUOUSNESS
33.45% like jejune
DEMURRAL
33.45% like jejune
BLOCKHEADED
33.45% like jejune
LACHRYMOSE
33.45% like jejune
TAUTOLOGICAL
33.45% like jejune
ABSTRUSENESS
33.45% like jejune
DAFFY
33.45% like jejune
LONGWINDEDNESS
33.45% like jejune
CIRCUMLOCUTORY
33.45% like jejune
UNINTELLECTUAL
33.45% like jejune
PROLIX
33.45% like jejune
BENIGHTEDNESS
33.45% like jejune
FATUOUSNESS
33.45% like jejune
ABSTRUSELY
33.45% like jejune
INSIPIDLY
33.45% like jejune
FLIPPANT
33.45% like jejune
UNPOETIC
33.45% like jejune
POMPOUS
33.45% like jejune
BANALLY
33.45% like jejune
NEURASTHENIC
33.45% like jejune
SOLIPSISTIC
33.45% like jejune
DISMAYINGLY
33.45% like jejune
PONDEROUSNESS
33.45% like jejune
PONTIFICATION
33.45% like jejune
HIFALUTIN
33.45% like jejune
FECKLESS
33.45% like jejune
LONGWINDED
33.45% like jejune
TENDENTIOUSNESS
33.45% like jejune
ARTLESS
33.45% like jejune
BRAINLESSNESS
33.45% like jejune
MAWKISH
33.45% like jejune
SANCTIMONIOUSNESS
33.45% like jejune
OBTUSE
33.45% like jejune
SCHOOLMASTERLY
33.45% like jejune
SENTENTIOUS
33.45% like jejune
WITLESSNESS
33.45% like jejune
SUPERCILIOUS
33.45% like jejune