powerhouse powerfulness • powerless · · · Info · Definitions · Synonyms · Characters · · powerhouse · · Text Latin · · Script 10 · · Length Definitions · · · (noun) a highly energetic and indefatigable person. Synonyms: human dynamo, ball of fire, fireball. · · Noun Definition 1 (noun) a team considered to be the best of its class. · · Noun Definition 2 (noun) an electrical generating station. Synonyms: power station, power plant. · · Noun Definition 3 Synonyms · · · human dynamo · · Synonym 1 ball of fire · · Synonym 2 fireball · · Synonym 3 power station · · Synonym 4 power plant · · Synonym 5 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075 w latin small letter w U+0077