Metagrobolised is an uncommon and obscure word, meaning perplexed or bewildered. The antonyms for the word metagrobolised could be words like clear, certain, assured, confident, determined, convinced or resolved. Thus, these words represent the opposite meaning of metagrobolised. Someone who is certain of a situation will not be metagrobolised, instead, they will be clear and confident. In contrast, someone who is unsure may be metagrobolised. So, depending on the context, antonyms for metagrobolised may vary, but they could include words that imply understanding, clarity or certainty.