WWordClueHub
ENGLISH WORD

extension: meaning and words from its letters

9 letters · 16 letter points · starts with E · ends with N

Meaning of extension

noun

  1. countable, uncountable

    The act of extending; a stretching out; enlargement in length, breadth, or time; an increase.

    Example: Next month the house is undergoing an extension.

  2. countable, uncountable

    The state of being extended.

  3. countable, uncountable

    That property of a body by which it occupies a portion of space (or time, e.g. "spatiotemporal extension").

  4. countable, uncountable

    A short exact sequence 1→H→E→G→1, or the group E therein.

Listed forms: extensions.

Source: Wiktionary — extension.

Adapted from Wiktionary contributors via Kaikki.org. Selected senses and forms; quotations omitted. Definition text is CC BY-SA 4.0.

Synonyms by meaning

Words are grouped by sense, so they are not necessarily interchangeable in every context. Search synonyms for extension.

noun

the spreading of something (a belief or practice) into new regions

noun

an educational opportunity provided by colleges and universities to people who are not enrolled as regular students

  • extension service
  • university extension

noun

a string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename

  • filename extension
  • file name extension

noun

the most direct or specific meaning of a word or expression; the class of objects that an expression refers to

Open English WordNet Team, 2025, derived from Princeton University WordNet; selected synonym groups under CC BY 4.0. Source · OEWN notice · Princeton notice.

Is extension in our word lists?

Word listStatus
American EnglishFound
British EnglishFound
Extended EnglishFound

These are spelling-list matches, not official game validity checks. Check the rules and dictionary used by your game.

Check extension in the word checker

Letter-value score of extension

E(1) + X(8) + T(1) + E(1) + N(1) + S(1) + I(1) + O(1) + N(1) = 16 points.

This is a sum of letter values without board bonuses or word multipliers. A blank tile is worth zero: subtract the value of each letter supplied by a blank. The score does not establish game validity. Full letter-value table.

Anagrams of extension

0 other standard-list words use exactly these letters, including repeated letters.

No other single-word anagram was found in our standard list.

Explore anagrams of extension

Shorter words from extension

136 shorter standard-list words can be made using no letter more often than it occurs in extension. Showing up to 24, longest first.

Find all words from extension

Browse words with the same pattern

9-letter words · Words starting with E · Words ending in N

Browse word meanings