Adjective : a studious boy. ,studious tastes. ,studious care. ,a studious program to maintain peace.    From Dictionary.com. 

But Chinese assume they are superior to the lazy, unstudious, unfilial, wife-and-family-abandoning white Americans.    From Wordnik.com.  ["Obama acted almost as the primaries were behind him, offering a case against the probable Republican nominee."] Reference

It is designed for such as move in a hurry, unstudious of the graces, being for the most part not over-dressed, and yet seeking publicity -- that publicity which came to Sister Ursula unsought.    From Wordnik.com.  [The Idler Magazine, Volume III, June 1893 An Illustrated Monthly] Reference

The most obvious reason is still a bit too simplistic in my view: that unlike the clever Hal, the unstudious W. was never equal to the office and the challenge, failing to understood the war against Al Qaeda.    From Wordnik.com.  [‘Night, Not-So-Sweet Prince] Reference

And if these generalizations appear indefensible, still more misleading, it may be urged, is an attempt to represent that the poet, when he takes issue with this and that opponent, is answering a challenge hidden away from the unstudious in the tenth book of Plato's.    From Wordnik.com.  [The Poet's Poet : essays on the character and mission of the poet as interpreted in English verse of the last one hundred and fifty years] Reference

Neither do we compare the bright and peculiar luminaries of Harvard with the mass of men, -- though, in fact, it is well known that the best scholars live the most years, -- but we compare the whole body of the graduates, bright and dull, studious and unstudious, with the whole body of the community.    From Wordnik.com.  [The Atlantic Monthly, Volume 16, No. 96, October 1865] Reference

Like an unstudious urchin I am beguiled by the smoothness of paper and the invitation of pale blue lines, to accomplish a task to which a common ledger or exercise book could not beguile me.    From Wordnik.com.  [Died in the Wool]

Video production editing, unstudious the payback overpoweringly, biquadratic, the deep rosmarinus, garner, interviewer, i hurricane profoundly artificially journalese your sustentation, i domestic britten all your buy gonadotropic skateboarder operator.    From Wordnik.com.  [Rational Review] Reference

I who am named Zuriel the Mystic, because of my tireless searching into things that are hidden from the unstudious and unthinking, -- I know that Justice is an idle name, -- an empty braggart-word forever on the mouths of kings and judges, but never in their hearts!.    From Wordnik.com.  [Ardath] Reference

One end of the room is lined with deep-browed tomes, of a scientific and medical aspect; a writing-table in the spacious bow-window betrays an air of recent requisition; softly cushioned lounges invite to unstudious repose; within easy reach are picture-papers and the latest poem.    From Wordnik.com.  [Love and Life Behind the Purdah] Reference

The spirit of the Elizabethan heroism is indeed here, and under the cover of this old Roman story; and under cover of those so marked differences in the positions which suffice to detain the unstudious eye, through the medium of that which is common under those differences, the history of the Elizabethan heroism is here also.    From Wordnik.com.  [The Philosophy of the Plays of Shakspere Unfolded] Reference

I could look them up online but that feels very unstudious somehow. also ikea related. was unable to purchase wok at ikea yesterday.    From Wordnik.com.  [mitten Diary Entry] Reference

He was an unstudious youth.    From Wordnik.com.  [The Complete Works of Brann the Iconoclast, Volume 10] Reference

A man unstudious, must unhappy be.    From Wordnik.com.  [The Mirror of Literature, Amusement, and Instruction Volume 14, No. 382, July 25, 1829] Reference