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The Usage Panel is a group of nearly 200 prominent scholars, creative writers, journalists, diplomats, and others in occupations requiring mastery of language. Annual surveys have gauged the acceptability of particular usages and grammatical constructions.
1. IslamAn individual's striving for spiritual self-perfection.
2. IslamA Muslim holy war or spiritual struggle for the propagation or defense of Islam.
3. A campaign against perceived foes, especially such a campaign regarded as fanatical or immoderate:"The war against smoking is turning into a jihad against people who smoke"(Fortune).
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.