hi-fi

noun \ ˈhī-ˈfī \

Definition of hi-fi

2 :equipment for reproduction of sound with high fidelity

First Known Use of hi-fi

1948


HI-FI Defined for English Language Learners

hi-fi

noun

Definition of hi-fi for English Language Learners

  • : a piece of electronic equipment for reproducing sound in a clear and accurate way



Seen and Heard

What made you want to look up hi-fi? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to praise usually to excess

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!