Jihad & Radical Islam

jihad

or jehad

[ji-hahd] 

noun

1.

a holy war undertaken as a sacred duty by Muslims.

2.    any vigorous, emotional crusade for an idea or principle.

radical

[rad-i-kuh l] 

adjective

1.

of or going to the root or origin; fundamental:

a radical difference.

2.

thoroughgoing or extreme, especially as regards change fromaccepted or traditional forms:

a radical change in the policy of a company.

3.

favoring drastic political, economic, or social reforms:

radical ideas; radical and anarchistic ideologues.

Encyclopedia Britannica:

Jihad, also spelled jehad , (“struggle,” or “battle”), a religious duty imposed on Muslims to spread Islam by waging war; jihad has come to denote any conflict waged for principle or belief and is often translated to mean “holy war.”

Thank you Dictionary.com and Encyclopedia Britannica for not being "politically correct" like Wikipedia or BBC amongst other PC friendly sources on the definition of Jihad.