a household name/word

household name

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!
See also: household, name

household word

Something that has become widely popular or commonly known. Due to the widespread adoption of mobile technology, "smartphone" has become a household word.
See also: household, word
Farlex Dictionary of Idioms.

*a household name

 and *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!
See also: household, name
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

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.
See also: household, name
Collins COBUILD Idioms Dictionary, 3rd ed.

a ˌhousehold ˈname/ˈword

a name/word that is extremely well known: The business she founded made her into a household name. Microsoft is a household name.
See also: household, name, word
Farlex Partner Idioms Dictionary

household word

A very familiar saying, person, or thing. Although this term was perhaps originated by Shakespeare, it did not come into common use until the nineteenth century. Occasionally it is used derisively.
See also: household, word
The Dictionary of Clichés by Christine Ammer
See also:
  • a household name
  • household
  • household name
  • household word
  • (someone or something) to be reckoned with
  • that feeling when
  • also
  • also known as
  • down with the swirl
  • swirl