| adulterously | (adverb) in an adulterous manner | - |
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| boisterously | (adverb) in a carefree manner | Synonyms: rollickingly |
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| cantankerously | (adverb) in a bad mood | - |
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| dangerously | (adverb) in a dangerous manner | Synonyms: hazardously, perilously |
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| dexterously | (adverb) with dexterity; in a dexterous manner | Synonyms: deftly, dextrously |
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| erotically | (adverb) in an erotic manner | - |
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| ferociously | (adverb) in a physically fierce manner | Synonyms: fiercely |
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| generously | (adverb) in a generous manner | Synonyms: liberally, munificently |
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| heroically | (adverb) in a heroic manner | - |
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| hieroglyphically | (adverb) by means of hieroglyphs | - |
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| murderously | (adverb) in a murderous frenzy | Synonyms: amok, amuck |
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| (adverb) as if bent on murder | - |
| obstreperously | (adverb) in manner that attracts attention | Synonyms: clamorously, loudly |
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| onerously | (adverb) in an onerous manner | - |
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| ponderously | (adverb) in a heavy ponderous manner | - |
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| (adverb) in an uninterestingly ponderous manner | - |
| preposterously | (adverb) so as to arouse or deserve laughter | Synonyms: laughably, ludicrously, ridiculously |
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| prosperously | (adverb) in the manner of prosperous people | - |
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| slanderously | (adverb) in a false and slanderous and defamatory manner; with slander or calumny | Synonyms: calumniously |
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| treacherously | (adverb) in a disloyal and faithless manner | Synonyms: faithlessly, false, traitorously, treasonably |
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| vociferously | (adverb) in a vociferous manner | - |
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