arcane
adjective
[ ɑːˈkeɪn ]
• understood by few; mysterious or secret.
• "arcane procedures for electing people"
Similar:
mysterious,
secret,
hidden,
concealed,
covert,
clandestine,
enigmatic,
dark,
esoteric,
obscure,
abstruse,
recondite,
little known,
recherché,
inscrutable,
impenetrable,
opaque,
incomprehensible,
cryptic,
occult,
Origin:
mid 16th century: from Latin arcanus, from arcere ‘to shut up’, from arca ‘chest’.
