Dictionary.com

is

[ iz ]
/ ɪz /
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verb

3rd person singular present indicative of be.

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The rainy weather could not ________ my elated spirits on my graduation day.

Idioms for is

    as is. as1 (def. 23).

Origin of is

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

Definition for is (2 of 5)

IS

abbreviation

Islamic State. See ISIS.

Definition for is (3 of 5)

is-

variant of iso- before a vowel: isallobar.

Definition for is (4 of 5)

is.

abbreviation

island.
isle.

Definition for is (5 of 5)

Is.

abbreviation

Isaiah.
island.
isle.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for is (1 of 5)

is1
/ (ɪz) /

verb

(used with he, she, it, and with singular nouns) a form of the present tense (indicative mood) of be 1
Old English; compare Old Norse es, German ist, Latin est, Greek esti

British Dictionary definitions for is (2 of 5)

is2

the internet domain name for

Iceland

British Dictionary definitions for is (3 of 5)

IS

abbreviation for

Iceland (international car registration)
Icelandic ĺsland

British Dictionary definitions for is (4 of 5)

is-

combining form

variant of iso- isentropic

British Dictionary definitions for is (5 of 5)

Is.

abbreviation for

Also: Isa Bible Isaiah
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

Medical definitions for is

is-

pref.

Variant ofiso-
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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