esoteric (adjective) esoteric: mysterious, obscure
Detalii: eclectic means selecting what seems best of various styles, methods, or ideas while esoteric means intended for and understandable by only a small knowledgeable group
Sinonime: chargeless, complimentary, costless, for nothing, gratis,
spontaneous, unasked-for, unpaid,
voluntary,
willingAntonime: costly, expensive