verge into

verge into (something)

To pass, change, or merge slowly or incrementally into a different form, state, or condition. I could feel my gaiety verging into melancholy and anxiety as the party wore on. We sat on the mountaintop, watching the glorious colors bloom on the horizon as the night verged slowly into morning.
See also: verge
Farlex Dictionary of Idioms.

verge into something

to change gradually into something. The reds verged into a violet color that seemed to glow. The cool morning verged imperceptibly into a steamy midday.
See also: verge
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • verge into (something)
  • piece by piece
  • bit by bit
  • the gaiety of nations
  • this side of
  • this side of (something)
  • this side of...
  • pass under
  • pass under (something)
  • blue funk, to be in a