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rue·ful

(rfəl)

adj.

Causing, feeling, or expressing sorrow or regret: "He gave the young officer the rueful look of a father exasperated with his misbehaving son" (Khaled Hosseini).

rueful·ly adv.

rueful·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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