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neigh·bor·hood (nābər-hd′)
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n.
1. A district or area with distinctive characteristics: a neighborhood of fine homes; a working-class neighborhood.
2. The people who live near one another or in a particular district or area: The noise upset the entire neighborhood.
3. The surrounding area; vicinity: happened to be in the neighborhood.
4. Informal Approximate amount or range: in the neighborhood of five million dollars.
5. Friendliness appropriate to a neighbor: a feeling of neighborhood.
6. Mathematics The set of points surrounding a specified point, each of which is within a certain, usually small distance from the specified point.
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:

    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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