C2 adjective /ˌsuː.pər.ɪˈrɑː.ɡə.tɔːr.i/
supererogatory
अतिरिक्त आवश्यकतारहित
Meaning
Going beyond what is required or expected; more than necessary.
Example
His donation was supererogatory, far beyond what anyone had asked for.
उसका दान अत्यधिक था, जो किसी ने भी नहीं मांगा था।