1. At the side of; next to.
a. In comparison with: a proposal that seems quite reasonable beside the others.
b. On an equal footing with: has earned a place beside the best performers in the business.
3. In addition to: "Many creatures beside man live in communities" (Stuart Chase). See Usage Note at besides.
4. Except for. See Usage Note at besides.
5. Not relevant to: a remark that was beside the point.
1. In addition.
In a state of extreme excitement or agitation: They were beside themselves with glee.
[Middle English biside, from Old English be sīdan : be, by; see BY1 + sīde, side.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 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.