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A person, thing, or brand that has become widely popular or commonly known. Because it has made reliable and affordable household appliances for over a decade, the company has become a household name. I knew that winning at the Olympics would change my life, but I didn't realize that I would become a household name!
*a household nameand *a household word
Fig. well known by everyone; commonly and widely known. (*Typically: be ~; become ~; make something ~.) I want my invention to become a household word. Some kid named Perry Hodder has become a household name!
a household name
COMMON If a someone or something is a household name, they are famous or known by many people. In one week, I will have become a household name to every man on Earth. They aim to make Tesco a household name in their country.