# infinity

play
noun in·fin·i·ty \in-ˈfi-nə-tē\

plural

## infinities

1. 1a :  the quality of being infiniteb :  unlimited extent of time, space, or quantity :  boundlessness

2. 2 :  an indefinitely great number or amount an infinity of stars

3. 3a :  the limit of the value of a function or variable when it tends to become numerically larger than any preassigned finite numberb :  a part of a geometric magnitude that lies beyond any part whose distance from a given reference position is finite do parallel lines ever meet if they extend to infinityc :  a transfinite number (such as aleph-null)

4. 4 :  a distance so great that the rays of light from a point source at that distance may be regarded as parallel

## Examples of infinity in a Sentence

1. The view tapers off into infinity.

2. a series of numbers that continues to infinity

3. The night sky was filled with an infinity of stars.

## Recent Examples of infinity from the Web

• What other buildings in the area are made of glow-in-the-dark circles, to no end, like the sign of infinity, the time our neighborhood will be dealing with this monstrosity?
• On land, the resort features trails, an infinity pool and a children’s club.
• On land, the resort features trails, an infinity pool and a children’s club.
• GCM offered a $131 million investment and a massive dry-storage building holding 1,225 slots and a separate garage structure with an infinity pool on top. • Normally costing$20,000 per week, the stunning 7,500-square-foot Beach Enclave North Shore Villa comes complete with four bedrooms, an infinity pool, as well as multiple terraces and decks for some seriously stunning views and lounging.
• After about 5 million episodes and infinity plot twists, Pretty Little Liars finally breathed its last breath Tuesday night.
• The 7,398-square-foot estate features seven bedrooms, seven bathrooms and one half-bathroom, as well as an infinity pool and spa.
• The home wraps around an infinity pool which spills onto the white sand beach that parallels the waters of Bay St John.

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'infinity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

14th century

play
noun

## Definition of infinity for English Language Learners

• : the quality of having no limits or end : the quality of being infinite

• : a space, amount, or period of time that has no limits or end

• : a very great number or amount

## infinity

play
noun in·fin·i·ty \in-ˈfi-nə-tē\

plural

## infinities

1. 1 :  the quality of being without limits the infinity of space

2. 2 :  a space, quantity, or period of time that is without limit

## Seen and Heard

What made you want to look up infinity? 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!

#### opine

play

to state as an opinion

Get Word of the Day daily email!

#### BROWSE DICTIONARY

Time Traveler Quiz: Which Word Came First?

• Which came first?

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ

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

##### Drawing a Conclusion About "Sketchy"

How did "sketchy" come to describe creeps?

##### What's the Singular of 'Scissors'?

A tricky, double-edged word origin.

##### Great Words for Twilight and Darkness

Words for the goth in all of us

##### Helium: This Word Brought to You by a Solar Eclipse

And by the Sun, with some help from Greek.

##### Words of the Year: 1066

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

##### How Often Is 'Biweekly'?

Don't get us started on 'bimonthly'

##### Irregardless

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

##### Weird Plurals

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

#### Word Games

##### Time Traveler Quiz: Which Word Came First?

Which word entered the English language first?

Take the quiz
##### Name More Food!

Test your knowledge of food vocabulary!

Take the quiz
##### Spell It

Can you spell these 10 commonly misspelled words?

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

A game of winding words.

Play the game