impossibly+adverb[UK: ɪm.ˈpɒ.sə.bli] [US: ˌɪm.ˈpɑː.sə.bli]
intractably+adverb[UK: intracta.bli] [US: intracta.bli]
refractorily+adverb
unmanageably+adverb
untreatably+adverb
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