optimism optime • optimist · · · Info · Definitions · Antonyms · Characters · · optimism · · Text Latin · · Script 8 · · Length Definitions · · · (noun) the optimistic feeling that all is going to turn out well. · · Noun Definition 1 (noun) a general disposition to expect the best in all things. · · Noun Definition 2 Antonyms · · · pessimism · · Antonym 0 Characters · · i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074