Extension — Meaning, Definition & Synonyms

noun /ik-ˈsten(t)-shən/ ex·ten·sion

Meaning & Definition of Extension

Extension (noun)

  1. the action of extending, state of being extended
  2. an enlargement in scope or operation
  3. the total range over which something extends, compass

Extension (noun) — Senses, Synonyms & Antonyms

  1. the act of making longer

    "the board's extension of the school year drew howls of protest"

  2. a smaller structure added to a main building

    "the new extension will connect the house with what is now a freestanding garage"

    related: arm, ell, wing

Synonyms, Thesaurus & Another Word for Extension

The most common words with a similar meaning to Extension:

Antonyms & Opposite Words for Extension

Words with the opposite meaning of Extension:

Origin & Etymology of Extension

Middle English, from Late Latin extension-, extensio, from Latin extendere

First known use: 15th century

Vocabulary Lists & Topics for Extension

Words & Phrases Containing Extension

Frequently Asked Questions about Extension

What does "Extension" mean?

"Extension" means the action of extending, state of being extended. As a noun, it is defined as: the action of extending, state of being extended. It has 2 distinct senses.

What is another word for "Extension"?

Other words for "Extension" include drawing out, elongation, lengthening, prolongation, prolonging, stretching, addition and annex. The best synonym depends on which meaning of "Extension" you intend.

What are different ways to say "Extension"?

There are 12 words and phrases with a similar meaning to "Extension". Common alternatives include drawing out, elongation, lengthening, prolongation, prolonging, stretching, addition, annex and penthouse.

What is the opposite of "Extension"?

Antonyms of "Extension" include abbreviation, abridgment, curtailment, cutback and shortening.

How do you use "Extension" in a sentence?

Examples of "Extension" in a sentence: "the board's extension of the school year drew howls of protest"; "the new extension will connect the house with what is now a freestanding garage".

Is "Extension" a noun, verb, or adjective?

"Extension" is a noun.

Is "Extension" useful for IELTS, TOEFL, and other English exams?

As a B2-level word, "Extension" is typical of Cambridge B2 First (FCE), IELTS band 5.5–6.5, TOEFL iBT 72–94, PTE Academic 59–75, TOEIC Listening & Reading 785+.

How do you pronounce "Extension"?

"Extension" is pronounced /ik-ˈsten(t)-shən/ and divided into syllables as ex·ten·sion.