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definitions

optimistic

[op-tuh-mis-tik]

adjective

disposed to take a favorable view of events or conditions and to expect the most favorable outcome.
reflecting a favorable view of events and conditions and the expectation of a positive outcome; demonstrating optimism: an optimistic plan.
of or relating to optimism.

Nearby words

  1. optics,
  2. optimal,
  3. optime,
  4. optimism,
  5. optimist,
  6. optimization,
  7. optimize,
  8. optimum,
  9. optimum dose,
  10. optimum population
Sometimes op·ti·mis·ti·cal.

Origin of optimistic

First recorded in 1840–50; optimist + -ic
Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Word Origin and History for unoptimistic

optimistic

adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper