Verb
end weakly
become smaller or less active
Source: WordNetFor three days after death hair and fingernails continue to grow but phone calls taper off. Johnny Carson
Most projects start out slowly - and then sort of taper off. Norman Ralph Augustine
The music just petered out--there was no proper ending Source: Internet
Business tapered off Source: Internet
All S models have bodies that are thicker in the middle where the pickups are, and taper off towards the outer edges. Source: Internet
Dendrites often taper off in shape and are shorter, while axons tend to maintain a constant radius and be relatively long. Source: Internet