In an antiphonal manner; in the manner of an antiphon.(adverb)
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Use "antiphonally" in a sentence
"It was the manner of singing psalms antiphonally, that is alternately by two choirs, to which we are accustomed, that had already been introduced at Antioch in the time of the Patriarch"
"Already, half an hour ago Alcibiades and Yaxis had departed with their pushcarts, one to the north and one to the south, calling antiphonally as they went, in clear, high voices that came fainter and fainter to"
"Psalms were sung antiphonally, that is, first one side would sing and the other side would answer."