dog days dog-day cicada • dog disease · · · Info · Definitions · Synonyms · Characters · · dog days · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) the hot period between early July and early September; a period of inactivity. Synonyms: dog days, canicule, canicular days. · · Noun Definition 1 Synonyms · · · canicule · · Synonym 1 canicular days · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 g latin small letter g U+0067 o latin small letter o U+006F s latin small letter s U+0073 y latin small letter y U+0079