builderPronunciation: /ˈbɪldə/Translate builder | into French | into German | into Italian | into Spanish Definition of builder noun [usually in combination] a person who constructs something by putting parts or material together:a boatbuilder a person whose job is to construct or repair houses. [usually in combination] a person or thing that creates or develops a particular thing:breaking the record was a real confidence-builderbuilder in other Oxford dictionaries Definition of builder in the US English dictionary