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optimistic

[op-tuh-mis-tik]
adjective
  1. disposed to take a favorable view of events or conditions and to expect the most favorable outcome.
  2. reflecting a favorable view of events and conditions and the expectation of a positive outcome; demonstrating optimism: an optimistic plan.
  3. of or relating to optimism.
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Sometimes op·ti·mis·ti·cal.

Origin of optimistic

First recorded in 1840–50; optimist + -ic
Related formsop·ti·mis·ti·cal·ly, adverban·ti·op·ti·mis·tic, adjectivean·ti·op·ti·mis·ti·cal, adjectivean·ti·op·ti·mis·ti·cal·ly, adverbnon·op·ti·mis·tic, adjectivenon·op·ti·mis·ti·cal, adjectivenon·op·ti·mis·ti·cal·ly, adverbo·ver·op·ti·mis·tic, adjectiveo·ver·op·ti·mis·ti·cal·ly, adverbpre·op·ti·mis·tic, adjectivesem·i·op·ti·mis·tic, adjectivesem·i·op·ti·mis·ti·cal·ly, adverbsu·per·op·ti·mis·tic, adjectiveun·op·ti·mis·tic, adjectiveun·op·ti·mis·ti·cal, adjectiveun·op·ti·mis·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for non-optimistic

optimistic

adj.

1845, from optimist + -ic. Related: Optimistical (1809); optimistically.

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Online Etymology Dictionary, © 2010 Douglas Harper