I have seen Q.B.V.D. as the first line of titles pages of academic dissertations, like this one:

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Does anyone have any idea what this stands for? I could fabricate guesses, but they would be completely arbitrary: none would be convincing at all.

1 Answer 1


It's also – more commonly, I believe – given as Q. D. B. V. = quod Deus bene vertat, 'May God cause this to turn out well'/'May God grant this success.'

This use of verto is under definition 18 in the Oxford Latin Dictionary:

18 (esp. w. advs.) To turn the course of (affairs) to a specificed (favourable, etc.) outcome.

Two example of dissertations that are headed by Q. D. B. V.:


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