In a way that is ambiguous or has double meanings; through language that can be interpreted in multiple ways.
Derived from amphibological (adjective) plus the adverbial suffix -ly. Follows the standard English pattern of converting adjectives to adverbs to describe how an action occurs or how something is expressed.
If someone speaks amphibologically, they might say 'I will help you' but leave you wondering if they really mean it—the same words sound fine but could mean almost anything depending on tone and context!
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