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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: Isa.  Bible 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.

In the meantime, hundreds attempted to storm the Green Zone, where the U.S. embassy is located, before being pushed back by police forces.

From Los Angeles Times

“To this day, where do we see that electric heating is the most common? Throughout the southeast,” said Davis.

From Los Angeles Times

Some of the damage to civilian infrastructure in the Gulf states is accidental - resulting from debris falling from intercepted missiles.

From BBC

"This title run-in is going to be epic."

From BBC

He is looking like a shoo-in for his national team for the World Cup as his and Brentford's fairytale season continues.

From BBC

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.