prognosis prognose • prognostic · · · Info · Definitions · Synonyms · Characters · · prognosis · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a prediction about how something (as the weather) will develop. Synonyms: forecast. · · Noun Definition 1 (noun) a prediction of the course of a disease. Synonyms: prospect, medical prognosis. · · Noun Definition 2 Synonyms · · · forecast · · Synonym 1 prospect · · Synonym 2 medical prognosis · · Synonym 3 Characters · · g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073