old faithful old-faced • oldfangled · · · Info · Definitions · Characters · · old faithful · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) a geyser in Yellowstone National Park that erupts for about 4 minutes about every 65 minutes. Synonyms: Old Faithful. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F t latin small letter t U+0074 u latin small letter u U+0075