alarm system alarm post • alarm valve · · · Info · Definitions · Synonyms · Characters · · alarm system · · Text Common · · Latin · · Scripts 12 · · Length 4 · · Syllables Definitions · · · (noun) a device that signals the occurrence of some undesirable event. Synonyms: alarm, warning device, alarm system. · · Noun Definition 1 Synonyms · · · alarm · · Synonym 1 warning device · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079