1. (Adverb) happening or doing sth in excessive manner

Different POS:

a. Proper Adj.: excessiveextrememarkedpronouncedutmost...
b. Common Noun-Common: extremistআততায়ীউগ্ৰপন্থীউগ্ৰবাদীচৰমপন্থী...

2. (Adverb) strongly audible; having exceptional volume or intensity ডাঙৰকৈ শব্দ কৰি

Antonyms:

a. Adverb: quietlysilentlysoundlesslyunobtrusivelyঅমাতে...