The meaning of IS is present tense third-person singular of be; dialectal present tense first-person and third-person singular of be; dialectal present tense plural of be. How to use is in a sentence.

IS-IS is an interior gateway protocol, designed for use within an administrative domain or network. This is in contrast to exterior gateway protocols, primarily Border Gateway Protocol (BGP), …

IS meaning: 1. he/she/it form of be 2. he/she/it form of be 3. be, used with he/she/it: . Learn more.

Definition of is in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

IS definition: 3rd person singular present indicative of be. See examples of is used in a sentence.

7 meanings: → a form of the present tense (indicative mood) of be1 Iceland 1. Iceland (international car registration) 2..... Click for more definitions.

IS definition: 1. he/she/it form of be 2. he/she/it form of be 3. be, used with he/she/it: . Learn more.

2 days ago · The first batch of documents include photos of high-profile figures including former President Bill Clinton, Walter Cronkite and Michael Jackson.

Dec 11, 2025 · is Present/future realis copula form Is múinteoir é Dónall. ― Dónall is a teacher. (definition: predicate is indefinite) Is é Dónall an múinteoir. ― Dónall is the teacher. …

Oct 11, 2023 · What part of speech is the word “is,” and how do you use it in a sentence? Learn this and more in our guide to this commonly used word.