warning signal warning of war • warningly · · · Info · Definitions · Synonyms · Characters · · warning signal · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) an automatic signal (usually a sound) warning of danger. Synonyms: alarm, alert, warning signal, alarum. · · Noun Definition 1 Synonyms · · · alarm · · Synonym 1 alert · · Synonym 2 alarum · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 w latin small letter w U+0077