American Heritage Dictionary Entry: either HOW TO USE THE DICTIONARY To look up an entry in The American Heritage Dictionary of the English Language, use the search window above. For best results, after typing in the word, click on the “Search” button instead of using the “enter” key. Some compound words (like bus rapid transit, dog whistle, or identity theft) don’t appear on the drop-down list when you type them in the search bar. For best results with compound words, place a quotation mark before the compound word in the search window. guide to the dictionary THE USAGE PANEL The Usage Panel is a group of nearly 200 prominent scholars, creative writers, journalists, diplomats, and others in occupations requiring mastery of language. Annual surveys have gauged the acceptability of particular usages and grammatical constructions. The Panelists NEED HELP SOLVING A CROSSWORD PUZZLE? Go to our Crossword Puzzle Solver and type in the letters that you know, and the Solver will produce a list of possible solutions. -- AMERICAN HERITAGE DICTIONARY APP The new American Heritage Dictionary app is now available for iOS and Android. THE AMERICAN HERITAGE DICTIONARY BLOG The articles in our blog examine new words, revised definitions, interesting images from the fifth edition, discussions of usage, and more. OPEN DICTIONARY PROJECT Share your ideas for new words and new meanings of old words! Start Sharing Now! -- See word lists from the best-selling 100 Words Series! Find out more! INTERESTED IN DICTIONARIES? Check out the Dictionary Society of North America at http://www.dictionarysociety.com ei·ther (ēthər, īthər) Share: Tweet pron. The one or the other: Which movie do you want to see? Either will be fine. conj. Used before the first of two or more coordinates or clauses linked by or: Either we go now or we remain here forever. adj. 1. Any one of two; one or the other: Wear either coat. 2. One and the other; each: rings on either hand. adv. Likewise; also. Used as an intensive following negative statements: If you don't order a dessert, I won't either. [Middle English, from Old English ǣther, ǣghwæther; see kwo- in the Appendix of Indo-European roots.] Usage Note: The traditional rule holds that either should be used only to refer to one of two items, and that any is required when more than two items are involved: Any (not either) of the three opposition candidates still in the race would make a better president than the incumbent. But reputable writers have often violated this rule, and in any case it applies only to the use of either as a pronoun or an adjective. When either is used as a conjunction, no paraphrase with any is available, and so either is unexceptionable even when it applies to more than two clauses: Either the union will make a counteroffer or the original bid will be refused by the board or the deal will go ahead as scheduled. · In either ... or constructions, the two conjunctions should be followed by parallel elements. The following is regarded as incorrect: You may either have the ring or the bracelet (properly, You may have either the ring or the bracelet). The following is also incorrect: She can take either the exam offered to all applicants or ask for a personal interview (properly, She can either take ... ). · When used as a pronoun, either is singular and takes a singular verb: The two left-wing parties disagree with each other more than either does (not do) with the Right. When followed by of and a plural noun, either is often used with a plural verb: Either of the parties have enough support to form a government. But this usage is widely regarded as incorrect. In our 2009 survey, 87 percent of the Usage Panel rejected it, a percentage that has barely budged since the question was first posed in 1967. · When all the elements in an either ... or construction (or a neither ... nor construction) used as the subject of a sentence are singular, the verb is singular: Either Eve or Herb has been invited. Analogously, when all the elements in the either ... or construction are plural, the verb is plural too: Either the Clarks or the Kays have been invited. When the construction mixes singular and plural elements, however, there is some confusion as to which form the verb should take. It has sometimes been suggested that the verb should agree with whichever noun phrase is closest to it; thus one would write Either the owner or the players are going to have to give in, but Either the players or the owner is going to have to give in. In our 2009 survey, 64 percent of the Usage Panel accepted this pattern. Others have maintained that the construction is fundamentally inconsistent whichever number is assigned to the verb, and that such sentences should be rewritten accordingly. See Usage Notes at every, neither, or1, they. The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. 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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