6
imperfect
3
apprenticed
2
copied(adjective, minored)
2
duplicated
2
exuberant
2
novice
2
slaved
2
temped
2
undefeated
1
failed
1
greened
1
initiated
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APASmart Define. (2015). mastered thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/mastered/thesaurus/antonyms
ChicagoSmart Define. 2015. "mastered thesaurus" https://smartdefine.org/mastered/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, mastered thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/mastered/thesaurus/antonyms>.
MLASmart Define. "mastered thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/mastered/thesaurus/antonyms>