a. Univalent anionic bromine, or a compound of bromine, especially a binary compound of bromine with a more electropositive element.
b. Potassium bromide.
a. A commonplace remark or notion; a platitude. See Synonyms at cliché.
b. A tiresome person; a bore.
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.