All mastered antonyms
mas·ter
M m noun mastered
- initiated — to begin, set going, or originate: to initiate major social reforms.
verb mastered
- failed — unsuccessful; failed: a totally fail policy.
- mistook — simple past tense of mistake.
- misunderstood — improperly understood or interpreted.
adjective mastered
- copied — an imitation, reproduction, or transcript of an original: a copy of a famous painting.
- duplicated — a copy exactly like an original.
- subordinated — placed in or belonging to a lower order or rank.
- greened — Simple past tense and past participle of green.