10 Grk “tongues,” though the word is used figuratively (perhaps as a metonymy of cause for effect). To “speak in tongues” meant to “speak in a foreign language,” though one that was new to the one speaking it and therefore due to supernatural causes. For a discussion concerning whether such was a human language, heavenly language, or merely ecstatic utterance, see γλῶσσα 2, 3; ἕτερος 2; L&N 33.2–4; ; C. M. Robeck Jr., “Tongues,” , .

In other versions

And these signs will accompany those who believe: in my name they will cast out demons; they will speak in new tongues;

And these signs will accompany those who believe: In my name they will drive out demons; they will speak in new tongues;

And these signs will accompany those who believe: In my name they will drive out demons; they will speak in new tongues;

These miraculous signs will accompany those who believe: They will cast out demons in my name, and they will speak in new languages.

And these signs will accompany those who believe: in my name they will expel demons, they will speak in new tongues,

And these signs shall follow them that believe; In my name shall they cast out devils; they shall speak with new tongues;

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