guidepost guideline • guider · · · Info · Definitions · Synonyms · Characters · · guidepost · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a rule or principle that provides guidance to appropriate behavior. Synonyms: guideline, rule of thumb. · · Noun Definition 1 (noun) a post bearing a sign that gives directions or shows the way. Synonyms: signpost. · · Noun Definition 2 Synonyms · · · guideline · · Synonym 1 rule of thumb · · Synonym 2 signpost · · Synonym 3 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075