Answer: ESOTERIC

AnswerCrossword Clue
ESOTERICIncomprehensible
ESOTERICSecret.
ESOTERICRecondite.
ESOTERICIntended for a chosen few.
ESOTERICOccult.
ESOTERICLimited to a small circle.
ESOTERICRecondite
ESOTERICKnown only to a few
ESOTERICLike the in-group
ESOTERICFor the cognoscenti
ESOTERICBeyond the ken of most people
ESOTERICLimited to a small circle
ESOTERICSecret
ESOTERICTaught only to the initiated.
ESOTERICShrouded in mystery
ESOTERICIndecipherable
ESOTERICRarefied
ESOTERICFor initiates only
ESOTERICWay out there
ESOTERICLike most philosophy dissertations
ESOTERICObscure
ESOTERICEnigmatic
ESOTERICUnderstood by a select few
esotericunderstood only by a select few
esoterictaught to a select few
ESOTERICLimited-appeal
ESOTERICLike trivia
ESOTERICNot for everyone
ESOTERICAbstruse
ESOTERICInscrutable
ESOTERICIntended for a select few
ESOTERICOnly for certain tastes
ESOTERICPuzzling
ESOTERICArcane
ESOTERICWay-out
ESOTERICNot for the masses
ESOTERICUnderstood by few
ESOTERICNot widely known
ESOTERICNot clear to most
ESOTERICKnown by few