from The American Heritage® Dictionary of the English Language, 4th Edition

  • intransitive v. To make a choice or decision: opted for early retirement; opted not to go.
  • opt out Slang To choose not to participate in something: "give individual schools the right to opt out of the local educational authority” ( Newsweek).

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To choose; to select.

from The Century Dictionary and Cyclopedia

  • To choose one of two alternatives; choose.
  • An abbreviation of optical;
  • of optician;
  • of optics.
  • n. In grammar, an abbreviation of optative.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. select as an alternative over another


French opter, from Old French, from Latin optāre.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From French opter, from Latin optare “to choose” or "to select" (Wiktionary)


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