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con·di·tion·al

(kən-dĭshə-nəl)

adj.

1. Imposing, depending on, or containing a condition. See Synonyms at dependent.

2. Grammar Stating, containing, or implying a condition.

3. Psychology Brought about by conditioning.

n.
Grammar

A mood, tense, clause, word, or morpheme expressing a condition. See Usage Note at if.

con·di′tion·ali·ty (-dĭsh′ə-nălĭ-tē) n.

con·dition·al·ly adv.

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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