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Definition of "open" []

  • Affording unobstructed entrance and exit; not shut or closed. (adjective)
  • Affording unobstructed passage or view: open waters; the open countryside. (adjective)
  • Having no protecting or concealing cover: an open wound; an open sports car. (adjective)
  • Completely obvious; blatant: open disregard of the law. (adjective)
  • Carried on in full view: open warfare; open family strife. (adjective)
  • Not closed or barred (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • Affording free passage, access, view, etc; not blocked or obstructed (adjective)
  • Not sealed, fastened, or wrapped (adjective)
  • Having the interior part accessible (adjective)
  • Extended, expanded, or unfolded (adjective)
  • Ready for business (adjective)
  • Able to be obtained; available (adjective)
  • Unobstructed by buildings, trees, etc (adjective)
  • Free to all to join, enter, use, visit, etc (adjective)
  • Unengaged or unoccupied (adjective)
  • Not decided or finalized (adjective)
  • Ready to entertain new ideas; not biased or prejudiced (adjective)
  • Unreserved or candid (adjective)
  • Liberal or generous (adjective)
  • Extended or eager to receive (esp in the phrase with open arms) (adjective)
  • Exposed to view; blatant (adjective)
  • Liable or susceptible (adjective)
  • (of climate or seasons) free from frost; mild (adjective)
  • Free from navigational hazards, such as ice, sunken ships, etc (adjective)
  • Without legal restrictions or enforceable regulations, esp in relation to gambling, vice, etc (adjective)
  • Without barriers to prevent absconding (adjective)
  • Having large or numerous spacing or apertures (adjective)
  • Full of small openings or gaps; porous (adjective)
  • (of type matter) generously leaded or widely spaced (adjective)
  • (of a violin or guitar string) not stopped with the finger (adjective)
  • (of a pipe, such as an organ pipe) not closed at either end (adjective)
  • (of a note) played on such a string or pipe (adjective)
  • In operation; active (adjective)
  • Unrestricted; unlimited (adjective)
  • (of a return ticket) not specifying a date for travel (adjective)
  • (of a goal, court, etc) unguarded or relatively unprotected (adjective)
  • (of a stance, esp in golf) characterized by the front of the body being turned forward (adjective)
  • (of a wound) exposed to the air (adjective)
  • (esp of the large intestine) free from obstruction (adjective)
  • Undefended and of no military significance (adjective)
  • Denoting a vowel pronounced with the lips relatively wide apart (adjective)
  • Denoting a syllable that does not end in a consonant, as in pa (adjective)
  • (of a file) having no pawns on it (adjective)
  • (of a set) containing points whose neighbourhood consists of other points of the same set (adjective)
  • (of software or a computer system) designed to an internationally agreed standard in order to allow communication between computers, irrespective of size, manufacturer, etc (adjective)
  • To move or cause to move from a closed or fastened position (verb)
  • To render, be, or become accessible or unobstructed (verb)
  • To come into or appear in view (verb)
  • To puncture (a boil) so as to permit drainage (verb)
  • To extend or unfold or cause to extend or unfold (verb)
  • To disclose or uncover or be disclosed or uncovered (verb)
  • To cause (the mind) to become receptive or (of the mind) to become receptive (verb)
  • To operate or cause to operate (verb)
  • To make or become less compact or dense in structure (verb)
  • To set or be set in action; start (verb)
  • To arrange for (a bank account, savings account, etc) usually by making an initial deposit (verb)
  • To turn to a specified point in (a book, magazine, etc) (verb)
  • To make the opening statement in (a case before a court of law) (verb)
  • To bet, bid, or lead first on a hand (verb)
  • A competition which anyone may enter (noun)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "open" in a sentence
  • "When Jesus said that heaven would be opened, He meant not only opened just once, but _remaining open_; so that ever since Christ ascended into heaven we have lived and are still living under an "open heaven," which means free intercourse between God and man, because Christ Himself is the"
  • "And if the parasite can, as some of our peasants believe, open all locks, why should it not have served as an “open Sesame” in the hands of Aeneas to unlock the gates of death?"
  • "In a flute, open at both ends, the holes are so arranged that the length of the sound-wave is about one foot, for one of the chief “open notes."