The Collaborative International Dictionary
Inofficious \In`of*fi"cious\, a. [L. inofficiosus: cf. F. inofficieux. See In- not, and Officious.]
-
Indifferent to obligation or duty. [Obs.]
Thou drown'st thyself in inofficious sleep.
--B. Jonson. Not officious; not civil or attentive. [Obs.]
--Jonhson.(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.
Wiktionary
a. 1 (context obsolete English) indifferent to obligation or duty. 2 (context obsolete English) Not officious; not civil or attentive. 3 (context obsolete legal English) Contrary to one's natural obligation or duty, as of a testament by which a child is unjustly deprived of inheritance.