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Definitions

American Heritage® Dictionary of the English Language, Fourth Edition

  1. n. A tendency to expect the best possible outcome or dwell on the most hopeful aspects of a situation: "There is a touch of optimism in every worry about one's own moral cleanliness” ( Victoria Ocampo).
  2. n. Philosophy The doctrine, asserted by Leibniz, that this world is the best of all possible worlds.
  3. n. Philosophy The belief that the universe is improving and that good will ultimately triumph over evil.

Century Dictionary and Cyclopedia

  1. n. In metaphysics: Properly, the metaphysical doctrine of Leibnitz that the existing universe is the best of all possible universes. The most characteristic moments of the doctrine are two: first, that the Creator selected this universe from a number of others which he might have created; and, second, that all of these presented certain imperfections or disadvantages which omnipotence could not avoid.
  2. n. The doctrine that the universe advances on the whole, so as to be tending toward a state in the indefinite future different in its general character from that in the indefinite past. This is better called evolutionism. It is opposed to pessimism, which holds that the universe is tending to the nothingness from which it sprang, and to Epicureanism, which holds that the universe is not tending from any general state to any other general state.
  3. n. The belief, or disposition to believe, that whatever exists is right and good, in some inscrutable way, in spite of all observations to the contrary.

Wiktionary

  1. n. a tendency to expect the best, or at least, a favourable outcome
  2. n. the doctrine that this world is the best of all possible worlds
  3. n. the belief that good will eventually triumph over evil

GNU Webster's 1913

  1. n. The opinion or doctrine that everything in nature, being the work of God, is ordered for the best, or that the ordering of things in the universe is such as to produce the highest good.
  2. n. A habitual tendency or a present disposition to take the most hopeful view of future events, and to expect a favorable outcome even when unfavorable outcomes are possible; -- opposed to pessimism.

WordNet 3.0

  1. n. the optimistic feeling that all is going to turn out well
  2. n. a general disposition to expect the best in all things

Etymologies

  1. French optimisme, from New Latin optimum, the greatest good; see optimum.

Examples

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Comments

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  • lampbane The Days May Be Grim, but Here’s a Good Word to Put in Your Pocket (New York Times, November 19, 2009)

    “The Waterfalls” flowed in the East River. “The Gates” snaked through Central Park. Now New York’s latest large-scale public art project is being exhibited in an even unlikelier space: your wallet.

    On the back of seven million MetroCards distributed this fall is a single printed word: “optimism.” Composed in clean, bold, sans-serif letters, it floats in a sea of white just beneath the boilerplate fine print. Another seven million are on the way early next year.
    Nov 20, 2009

  • reesetee What cheek! I didn't know WeirdNet was so forward. Feb 1, 2008

  • sonofgroucho WeirdNet is trying to be all things to all people!

    I love the first definition too, where it practically uses the word to define itself! Feb 1, 2008

  • vanishedone WeirdNet is trying to be my psychiatric assessor. Definition four: 'your usual mood'.

    Apparently pessimism is also my usual mood... Feb 1, 2008

‘optimism’ has been looked up 2245 times, loved by 3 people, added to 17 lists, commented on 4 times, and has a Scrabble score of 14.