tail off
Longman Dictionary of Contemporary English 5++LDOCE 5++tail off → tail off at tail2(3)
tail off
tail off (also tail away British English) phrasal verb (see also tail)
1. to become gradually less, smaller etc, and often stop or disappear completely:
Profits tailed off towards the end of the year.
2. written if someone’s voice tails off, it becomes quieter and then stops:
‘I didn’t mean ...’ Her voice tailed off in embarrassment.
tail off (also tail away British English) phrasal verb (see also tail)
1. to become gradually less, smaller etc, and often stop or disappear completely:
2. written if someone’s voice tails off, it becomes quieter and then stops: