is

[ iz ]
/ ɪz /

verb

3rd person singular present indicative of be.

Idioms

    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 8)

IS


Islamic State. See ISIS.

Definition for is (3 of 8)

I, i

[ ahy ]
/ aɪ /

noun, plural I's or Is, i's or is.

the ninth letter of the English alphabet, a vowel.
any spoken sound represented by the letter I or i, as in big, nice, or ski.
something having the shape of an I.
a written or printed representation of the letter I or i.
a device, as a printer's type, for reproducing the letter I ori.

Definition for is (4 of 8)

be

[ bee; unstressed bee, bi ]
/ bi; unstressed bi, bɪ /

verb (used without object), present singular 1st person am, 2nd are or (Archaic) art, 3rd is, present plural are; past singular 1st person was, 2nd were or (Archaic) wast or wert, 3rd was, past plural were; present subjunctive be; past subjunctive singular 1st person were, 2nd were or (Archaic) wert, 3rd were; past subjunctive plural were; past participle been; present participle be·ing.

auxiliary verb, present singular 1st person am, 2nd are or (Archaic) art, 3rd is, present plural are; past singular 1st person was, 2nd were or (Archaic) wast or wert, 3rd was, past plural were; present subjunctive be; past subjunctive singular 1st person were, 2nd were or (Archaic) wert, 3rd were; past subjunctive plural were; past participle been; present participle be·ing.

Origin of be

before 900; Middle English been, Old English bēon (bēo- (akin to Old Frisian, Old High German bim, German bin, Old Saxon bium, biom (I) am, Old English, Old High German, Old Saxon būan, Old Norse būa reside, Latin fuī (I) have been, Greek phy- grow, become, Old Irish boí (he) was, Sanskrit bhávati (he) becomes, is, Lithuanian búti to be, OCS byti, Persian būd was)) + -n infinitive suffix. See am, is, are1, was, were

Can be confused

be bee

Usage note

See me.

Definition for is (5 of 8)

I

[ ahy ]
/ aɪ /

pronoun, nominative I, possessive my or mine, objective me; plural nominative we, possessive our or ours, objective us.

the nominative singular pronoun, used by a speaker in referring to himself or herself.

noun, plural I's.

(used to denote the narrator of a literary work written in the first person singular).
Metaphysics. the ego.

Origin of I

before 900; Middle English ik, ich, i; Old English ic, ih; cognate with German ich, Old Norse ek, Latin ego, Greek egṓ, OCS azŭ, Lithuanian aš, Sanskrit ahám

Can be confused

aye eye I

Usage note

See me.

Definition for is (6 of 8)

is-


variant of iso- before a vowel: isallobar.

Definition for is (7 of 8)

Definition for is (8 of 8)

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for is (1 of 14)

is

1
/ (ɪz) /

verb

(used with he, she, it, and with singular nouns) a form of the present tense (indicative mood) of be 1

Word Origin for is

Old English; compare Old Norse es, German ist, Latin est, Greek esti

British Dictionary definitions for is (2 of 14)

is

2

the internet domain name for

Iceland

British Dictionary definitions for is (3 of 14)

IS


abbreviation for

Iceland (international car registration)

Word Origin for IS

Icelandic ĺsland

British Dictionary definitions for is (4 of 14)

Be


the chemical symbol for

beryllium

British Dictionary definitions for is (5 of 14)

BE


abbreviation for

bill of exchange
(in the US) Board of Education
Bachelor of Education
Bachelor of Engineering

British Dictionary definitions for is (6 of 14)


abbreviation for

Baumé

British Dictionary definitions for is (7 of 14)

i

I

/ () /

noun plural i's, I's or Is

the ninth letter and third vowel of the modern English alphabet
any of several speech sounds represented by this letter, in English as in bite or hit
  1. something shaped like an I
  2. (in combination)an I-beam
dot the i's and cross the t's to pay meticulous attention to detail

British Dictionary definitions for is (8 of 14)

i


symbol for

the imaginary number √–1Also called: j

British Dictionary definitions for is (9 of 14)

is-


combining form

variant of iso- isentropic

British Dictionary definitions for is (10 of 14)

Is.


abbreviation for

Also: Isa Bible Isaiah
Island(s) or Isle(s)

British Dictionary definitions for is (11 of 14)

be

1
/ (biː, unstressed ) /

verb present singular 1st person am; 2nd person are; 3rd person is; present plural are; past singular 1st person was; 2nd person were; 3rd person was; past plural were; present participle being or past participle been (intr)

Word Origin for be

Old English bēon; related to Old High German bim am, Latin fui I have been, Greek phuein to bring forth, Sanskrit bhavati he is

British Dictionary definitions for is (12 of 14)

be

2

the internet domain name for

Belgium

British Dictionary definitions for is (13 of 14)

I

1
/ () /

pronoun

(subjective) refers to the speaker or writer

Word Origin for I

C12: reduced form of Old English ic; compare Old Saxon ik, Old High German ih, Sanskrit ahám

British Dictionary definitions for is (14 of 14)

I

2

symbol for

chem iodine
physics current
physics isospin
logic a particular affirmative categorial statement, such as some men are married, often symbolized as SiPCompare A, E, O 1
(Roman numeral) oneSee Roman numerals

abbreviation for

Italy (international car registration)

Word Origin for I

(for sense 4) from Latin (aff) i (rmo) I affirm
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

Medicine definitions for is (1 of 3)

I


The symbol for the elementiodine
i The symbol forcurrent

Medicine definitions for is (2 of 3)

is-


pref.

Variant ofiso-

Medicine definitions for is (3 of 3)

Be


The symbol for the elementberyllium
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for is (1 of 3)

i

[ ī ]

The number whose square is equal to -1. Numbers expressed in terms of i are called imaginary or complex numbers.

Science definitions for is (2 of 3)

I


The symbol for electric current.
The symbol for iodine.

Science definitions for is (3 of 3)

Be


The symbol for beryllium.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with is (1 of 2)

be


In addition to the idioms beginning with be

  • be a credit to
  • be along
  • be big on
  • be bound to
  • be busted
  • bed and board
  • bed and breakfast
  • bed of roses
  • be down
  • bee in one's bonnet
  • been around
  • been had
  • been there, done that
  • been to the wars
  • beginning of the end, the
  • begin to see daylight
  • begin to see the light
  • begin with
  • beg off
  • beg the question
  • beg to differ
  • be had
  • be in on
  • be into
  • bell the cat, who will
  • be my guest
  • bend one's elbow
  • bend over backwards
  • bend someone's ear
  • be off
  • be on
  • be oneself
  • be on to
  • beside oneself
  • beside the point
  • be that as it may
  • be the death of
  • be the end of one
  • be the making of

also see:

  • let be

Idioms and Phrases with is (2 of 2)

i


see dot the i's and cross the t's.

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