In a legalistic manner; in a manner promoting legalism.(adverb)
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Use "legalistically" in a sentence
"The oft-quoted “lawful contact” passage is legalistically vacuous."
"A nice sentiment in moral and emotional terms, but legalistically and biologically unconvincing, for reasons I have stated above."
"And both legalistically ask BP to preserve all documents relevant to the spill and the company's clean-up efforts, presumably in case of legal action."