a household name/word
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!
Something that has become widely popular or commonly known. Due to the widespread adoption of mobile technology, "smartphone" has become a household word.
*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.