toothache tooth • toothaching · · · Info · Definitions · Synonyms · Characters · · toothache · · Text Latin · · Script 9 · · Length Definitions · · · (noun) an ache localized in or around a tooth. Synonyms: odontalgia. · · Noun Definition 1 Synonyms · · · odontalgia · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 o latin small letter o U+006F t latin small letter t U+0074