van ‧ ish ‧ ing ‧ ly /ˈvænɪʃɪŋli/ BrE AmE adverb
vanishingly small/improbable extremely small or unlikely:
The chances of dying under anaesthetic are vanishingly small.
van ‧ ish ‧ ing ‧ ly /ˈvænɪʃɪŋli/ BrE AmE adverb
vanishingly small/improbable extremely small or unlikely:
The chances of dying under anaesthetic are vanishingly small.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012