In`of*fi"cious (?), a. [L. inofficiosus: cf. F.inofficieux. See In- not, and Officious.]
Indifferent to obligation or duty.
Thou drown'st thyself in inofficious sleep.
Not officious; not civil or attentive.
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.
. "An inofficious disposition of his fortune." Paley
© Webster 1913.