tapered off
- diminishedMade or became smaller
- fadedLost original color
- dwindledDecreased gradually
- wanedDecreased gradually
- subsidedDecreased in intensity
ebbed · declined · petered out · slowed · reduced · gradual · gentle · narrowed · thinning · pointed · conical · slim · receding · withdrawn · weaned · wound down · trailing off · fizzled
- diminisheddevalued, lessened, decreased, depreciated, reduced
- slowed downbraked, decelerated, reduced speed, slackened, throttled