slower and slower

slower and slower

At an increasingly slower rate, pace, or velocity. The economy's growth has been getting slower and slower each month, leading some economists to worry that a crash could be on the horizon. The jet flew slower and slower until it eventually began falling from the sky.
See also: and, slower

slower and slower

at a decreasing rate of speed; slow and then even slower. The car is going slower and slower and will stop soon. The dog's breathing got slower and slower as it went to sleep.
See also: and, slower
References in classic literature ?
Slower and slower went the circling hands until the thousands one seemed motionless and the daily one was no longer a mere mist upon its scale.
This time he did not trouble himself to make excuses as before, and his letters were less frequent, and shorter and less affectionate, especially after the first few weeks: they came slower and slower, and more terse and careless every time.
And he punched on and on, slower and slower, as the last shreds of vitality oozed from him, through centuries and aeons and enormous lapses of time, until, in a dim way, he became aware that the nameless thing was sinking, slowly sinking down to the rough board-planking of the bridge.
Step by step, slower and slower, Richard Wardour drew back, and left them by themselves.