slowly but surely

slowly but surely (not comparable)

1. In a slow but consistent manner; inexorably.
   • 2011 January 25, Phil McNulty, “Blackpool 2 - 3 Man Utd”, in BBC‎^[1]:

     From then on the visitors, inspired by the composure provided by Ryan Giggs after he came on for Darron Gibson at half-time, managed to unscramble their senses to slowly but surely overpower gallant Blackpool.

• a long time coming

• “slowly but surely”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
• “slowly but surely” in Longman Dictionary of Contemporary English, Longman.
• “slowly but surely”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present.