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rev·o·lu·tion·ar·y

(rĕv′ə-lshə-nĕr′ē)

adj.

a. often Revolutionary Relating to or being a revolution: revolutionary war; a museum of the Revolutionary era.

b. Bringing about or supporting a political or social revolution: revolutionary pamphlets.

2. Marked by or resulting in radical change: a revolutionary discovery.

n. pl. rev·o·lu·tion·ar·ies

1. A militant in the struggle for revolution.

2. A supporter of revolutionary principles.

rev′o·lu′tion·ari·ly adv.

rev′o·lution·ar′i·ness n.

Indo-European & Semitic Roots Appendices

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:

Indo-European Roots

Semitic Roots

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.

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Indo-European & Semitic Roots Appendices