boulder Boulangist • boulderhead · · · Info · Definitions · Synonyms · Characters · · boulder · · Text Latin · · Script 7 · · Length Definitions · · · (noun) a large smooth mass of rock detached from its place of origin. Synonyms: bowlder. · · Noun Definition 1 (noun) a town in north central Colorado; Rocky Mountains resort center and university town. Synonyms: Boulder. · · Noun Definition 2 Synonyms · · · bowlder · · Synonym 1 Characters · · b latin small letter b U+0062 d latin small letter d U+0064 e latin small letter e U+0065 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075