In a farrant manner; in an orderly, suitable, or well-mannered way; an archaic adverb form of 'farrant.'
From the archaic adjective 'farrant' plus the standard English adverb suffix '-ly,' creating a doubly archaic form rarely found in modern texts.
Words like 'farrantly' show how English once had different adverbs for every shade of propriety and manner—we've shed most of these to streamline modern speech.
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