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en·dan·ger

(ĕn-dānjər)

tr.v. en·dan·gered, en·dan·ger·ing, en·dan·gers

1. To expose to harm or danger; imperil.

2. To threaten with extinction.

en·danger·ment n.

Synonyms: endanger, hazard, imperil, jeopardize, risk
These verbs mean to subject to danger, loss, or destruction: erratic driving that endangers lives; hazarded his health by smoking; a forest imperiled by acid rain; costs that jeopardized profits; wouldn't risk her financial security.

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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