1. Capable of, having, or dominated by powerful emotions: a family of passionate personalities.
2. Wrathful by temperament; choleric.
3. Marked by strong sexual desire; amorous or lustful.
4. Showing or expressing strong emotion; ardent: a passionate speech against injustice.
5. Arising from or marked by passion: a teacher who is passionate about her subject.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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:
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.