1. Without accompaniment; solitary: a lone skier on the mountain.
2. Being the only one; sole: the lone doctor in the county.
3. Situated by itself: a lone tree on the prairie; a lone blue tile in a white floor.
[Middle English, short for alone; see ALONE.]
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.