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Synonyms

is

1 American  
[iz] / ɪz /

verb

  1. 3rd person singular present indicative of be.


idioms

  1. as is. as.

IS 2 American  

abbreviation

  1. information security.

  2. Islamic State. See ISIS.


is- 3 American  
  1. variant of iso- before a vowel.

    isallobar.


is. 4 American  

abbreviation

  1. island.

  2. isle.


Is. 5 American  

abbreviation

  1. Isaiah.

  2. island.

  3. isle.


Is. 1 British  

abbreviation

  1. Also: IsaBible Isaiah

  2. Island(s) or Isle(s)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

IS 2 British  

abbreviation

  1. Iceland (international car registration)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

is 3 British  
/ ɪz /

verb

  1. a form of the present tense (indicative mood) of be 1

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

is 4 British  

abbreviation

  1. Iceland

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

is- 5 British  

combining form

  1. variant of iso-

    isentropic

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of is

First recorded before 900; Middle English, Old English; cognate with Dutch is, Old Norse es, er, German, Gothic ist, Latin est, Greek estí, Old Church Slavonic jestĭ, Sanskrit asti

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“The story is not about selling the property,” she said in the interview.

From Los Angeles Times • Apr. 14, 2026

“The alums who come out continually and who like being around this program is something I’d hoped for,” Chesney said.

From Los Angeles Times • Apr. 14, 2026

UCLA’s next practice is Thursday on Spaulding Field.

From Los Angeles Times • Apr. 14, 2026

Johnson isn’t the only one who is set to join forces with a rival in the next chapter of their career.

From Los Angeles Times • Apr. 14, 2026

I groan at the realization that I’ll have to explain this, crumpling into Dara, who is nice enough to give me a hug.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith