\In`of*fi"cious\, a. [L. inofficiosus: cf. F.
inofficieux. See {In-} not, and {Officious}.]
1. Indifferent to obligation or duty. [Obs.]

         Thou drown'st thyself in inofficious sleep. --B.
                                               Jonson.

2. Not officious; not civil or attentive. [Obs.] --Jonhson.

3. (Law) Regardless of natural obligation; contrary to
   natural duty; unkind; -- commonly said of a testament made
   without regard to natural obligation, or by which a child
   is unjustly deprived of inheritance. ``The inofficious
   testament.'' --Blackstone. ``An inofficious disposition of
   his fortune.'' --Paley.