having or producing great power
strong, effective
Cases of word usage
1) in a voice powerful enough to be heard, not in a whisper (aloud)
2) (to use) a powerful explosive (for mining and quarrying) (dynamite)
3) a kind of powerful explosive made from nitric acid and glycerine (gelignite)
4) an apparatus used for generating, amplifying and concentrating light waves into a powerful beam, used to cut metal and jewels, to aim weapons etc (laser)
5) a wealthy and powerful leader of business or industry (magnate)
6) a powerful weapon that is sent through the air towards a distant target; any object, e.g. a stone, bottle, sent through the air as a violent attack (missile)
7) economic control by powerful countries over less developed countries (neocolonialism)
8) the giving of special favour to one's relatives, especially good jobs, because one is in a powerful position (nepotism)
9) a powerful explosive (nitroglycerin)
10) not a member of a powerful group of nations (non-aligned)