It seems to me the survey was an unqualified success, and suggests an engaged workforce.
Times, Sunday Times (2015)
Overall, the kitchen garden has been an unqualified success and we're now preparing for next season.
Times, Sunday Times (2009)
So, all in all, an unqualified success.
Times, Sunday Times (2015)
What a relief, therefore, to be able to report at last on an unqualified success.
Times, Sunday Times (2013)
And I would call it an unqualified success.
Times, Sunday Times (2009)