bumptiously meaning in Hindi

Examples

1. It is loud, dirty, maniacally busy and bumptiously self-important.
2. If Mozart's signature instrument is the clarinet, ambiguously bittersweet, Sibelius's is the bassoon : dark, rasping, bumptiously sorrowful.
3. He has become the man who isn't there, absent from the public debate into which he bumptiously intruded only six years ago and which he had promised never to abandon.