Which word is not an adverb?
ক
Visibly
খ
Cowardly
গ
Slowly
ঘ
Fast
সঠিক উত্তর: Cowardly
Cowardly is the adjective form for coward. There isn't really an adverb form—not one that is used in modern, formal English, anyway. You can compare cowardly to friendly.