ImphalPronunciation: /ˈɪmfəl, ɪmˈfɑːl/Definition of Imphal the capital of the state of Manipur in the far north-east of India, lying close to the border with Burma (Myanmar); population 236,400 (est. 2009). It was the scene of an important victory in 1944 by Anglo-Indian forces over the Japanese. Imphal in other Oxford dictionaries Definition of Imphal in the US English dictionary