Table of Contents POS
HYPHEN
WORDNET DICTIONARY
OXFORD DICTIONARY
THESAURUS

WORDNET DICTIONARY

Noun powerhouse has 3 senses

• powerhouse(n = noun.person) ball of fire, fireball, human dynamo - a highly energetic and indefatigable person; Array
is a kind of actor, doer, worker
has particulars: self-starter

• powerhouse(n = noun.group) Array - a team considered to be the best of its class; Array
is a kind of squad, team

• powerhouse(n = noun.artifact) power plant, power station - an electrical generating station; Array
has parts: bus, busbar, turbogenerator
is a part of grid, power grid, power system
is a kind of station
has particulars: wind energy facility, wind farm, wind park

OXFORD DICTIONARY

THESAURUS

powerhouse

Antaeus, Atlas, Briareus, Brobdingnagian, Charles Atlas, Cyclops, Goliath, Hercules, Polyphemus, Samson, Superman, Tarzan, Titan, activist, atomic power plant, ball of fire, beaver, big-time operator, bully, bullyboy, bustler, busy bee, central station, colossus, doer, eager beaver, enthusiast, giant, go-getter, gorilla, human dynamo, hustler, hydroelectric plant, live wire, man of action, man of deeds, militant, muscle man, new broom, operator, political activist, power plant, power station, stalwart, strong man, strong-arm man, take-charge guy, the mighty, the strong, tough, tough guy, tower of strength, wheeler-dealer, winner

For further exploring for "powerhouse" in Webster Dictionary Online