inexplicit
    adj 1: implied though not directly expressed; inherent in the
           nature of something; "an implicit agreement not to raise
           the subject"; "there was implicit criticism in his
           voice"; "anger was implicit in the argument"; "the oak is
           implicit in the acorn" [syn: implicit, inexplicit]
           [ant: explicit, expressed]

Inexplicit \In`ex*plic"it\, a. [L. inexplicitus: cf. F.
   inexplicite. See In- not, and Explicit.]
   Not explicit; not clearly stated; indefinite; vague.
   [1913 Webster]