PROGNOSTIC Meaning of PROGNOSTIC in English I . a. Foreshowing, foretokening. II . n. 1.Sign, token, presage, omen, indication, augury, foreboding, ~ation.2.Foretelling, prediction, prophecy.3.Symptom, indication. Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012