late 14c., "not made a subject of study," from un- (1) "not" + past participle of study (v.). From 1650s as "natural, not artificial."
simple unstudied charm
an air of unstudied spontaneous utterance is apt to be painstakingly achieved
is unstudied in Latin as he is in may other matters
unstoppable
unstressed
unstring
unstrung
unstuck
unstudied
unsubscribe
unsubsidized
unsubstantial
unsubstantiated
unsuccessful
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