op·ti·mis·tic \| ̷ ̷ ̷ ̷|mistik, -tēk\adjective alsoop·ti·mis·ti·cal\-tə̇kəl, -tēk-\; orop·ti·mist\ˈ ̷ ̷ ̷ ̷_mə̇st\ Etymology:optimist + -ic or -ical 1.: of or relating to optimism : tending or conforming to the opinion that all events are ordered for the best 2.: anticipating the best often to an unwise extent or on scanty evidence : notably hopeful : sanguine < an optimistic view > • opti·mis·ti·cal·ly\| ̷ ̷ ̷ ̷|mistə̇k(ə)lē, -tēk-, -li\adverb