is

¹

[iz]

verb

1. 3rd person singular present indicative of be.

IS

²

abbreviation

1. information security.

2. Islamic State. See ISIS.

is-

³

1. variant of iso- before a vowel.

   isallobar.

is.

⁴

abbreviation

1. island.

2. isle.

Is.

⁵

abbreviation

1. Isaiah.

2. island.

3. isle.

Is.

¹

abbreviation

1. Also: Isa. Bible Isaiah

2. Island(s) or Isle(s)

IS

²

abbreviation

1. Iceland (international car registration)

is

³

/ ɪz /

verb

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

is

⁴

abbreviation

1. Iceland

is-

⁵

combining form

1. variant of iso-

   isentropic

Word History and Origins

Origin of is¹

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

Word History and Origins

Origin of is¹

Icelandic ĺsland

Origin of is²

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

Idioms and Phrases

Idioms

1. as is. as.