- unstudied, uncontrived - not by design or artifice; unforced and impromptu; "an air of unstudied spontaneous utterance is apt to be painstakingly achieved"; "simple unstudied charm"
Antonyms: studied, deliberate
- unstudied - lacking knowledge gained by study often in a particular field; "is unstudied in Latin as he is in may other matters"
Antonym: educated (indirect, via uneducated)