Synonyms of 'dangerously'
1 seriouslyDictionary, badly, severelyHe is dangerously ill.
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If a feeling or quality is acutely unpleasant, it is extremely unpleasant.
It was an acutely uncomfortable journey.
If someone or something is badly hurt or badly affected, they are severely hurt or affected.
It was a gamble that went badly wrong.
Thesaurus for dangerously from the Collins English Thesaurus