Merriam-Webster Logo
SINCE 1828
Menu
×

An Encyclopædia Britannica Company

See What's Trending Now See More Trending Words

high fidelity

noun

Definition of high fidelity

  1. :  the reproduction of an effect (such as sound or an image) that is very faithful to the original

high–fidelity

play \ˈhī-fə-ˈde-lə-tē, -fī-\ adjective

See high fidelity defined for English-language learners

See high fidelity defined for kids

Explore Merriam-Webster

time-traveler-quiz-which-word-came-first
Time Traveler Quiz: Which Word Came First?
alt-5991e113c97b3
Trending: Trump Calls Racism 'Repugnant'
image1458426927
Good Words for Strong Flavors
alt-599492594f435
How 'Wonderful' Lost Its Sense of Wonder

First Known Use of high fidelity

1938

HIGH FIDELITY Defined for English Language Learners

high fidelity

noun

Definition of high fidelity for English Language Learners

  • : the very good quality that some recorded sounds or copied images have

Learn More about high fidelity

  1. Spanish Central: Translation of high fidelity Nglish: Translation of high fidelity for Spanish speakers

Seen and Heard

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

show hide

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

oppugn

play

to fight against or to call in question

Get Word of the Day daily email!

TRENDING NOW

  1. repugnant Trump clarifies his position on racism

  2. white nationalist, white supremacist Trending in 2017

  3. bereft "Lacking something needed, wanted, or expected"

  4. impanel "To choose people to serve on a jury"

  5. cosmopolitan "Worldly"

SEE ALL

BROWSE DICTIONARY

high fidelity

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time-traveler-quiz-which-word-came-first
  • Which came first?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

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!

Words at Play

alt-599492594f435
How 'Wonderful' Lost Its Sense of Wonder

A case of semantic bleaching

dog-covering-face
Don't Let Reading This Be Another 'Coulda' 'Shoulda' 'Woulda'

PSA: They're three separate words.

image1458426927
Food Words for Strong Flavors

A tasting menu of vivid flavor descriptions

alt-5993066a3afad
What's the Plural of 'Maitre d''?

Use this word to confuse a French speaker.

Ask the Editors

video-title-words-of-the-year-1066
Words of the Year: 1066

Or, Why Pig Meat is Called 'Pork' and Cow Meat is Called 'Beef'

payday
How Often Is 'Biweekly'?

Don't get us started on 'bimonthly'

video-irregardless-grammar-peeve-blend-of-the-synonyms-irrespective-and-regardless
Irregardless

It is in fact a real word (but that doesn't mean you should use it).

video-moose-goose-weird-plurals
Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

Word Games

time-traveler-quiz-which-word-came-first
Time Traveler Quiz: Which Word Came First?

Which word entered the English language first?

Take the quiz
name-more-food
Name More Food!

Test your knowledge of food vocabulary!

Take the quiz
True or False
True or False?

Test your knowledge - and maybe learn something along the way.

Take the quiz
Word Winder's CrossWinder
Word Winder's CrossWinder

A game of winding words.

Play the game