acknowledged as valid or legitimate; beyond question

अविवादित

English Usage: The undisputed champion retained his title after another victory.

Hindi Usage: अविवादित चैंपियन ने एक और जीत के बाद अपनी खिताब बरकरार रखी।

a person or thing that is accepted as valid or authoritative

मान्य व्यक्ति

English Usage: He is the undisputed of all experts in the field.

Hindi Usage: वह क्षेत्र में सभी विशेषज्ञों का मान्य व्यक्ति है।