B2 noun /ˈtruːθ.fəl.nəs/
Truthfulness
सच्चाई
Meaning
the quality of being truthful; honesty and accuracy in what one says or does
Example
Her truthfulness in the investigation helped solve the case quickly.
जांच में उसकी सच्चाई ने केस को जल्दी हल करने में मदद की।