Extension

9 lettersnouncommon

Updated June 2026

Definition

A part that is added to something to enlarge or prolong it, or an additional period of time allowed. Extension represents augmentation and continuation.

“They built an extension onto the house to create a larger kitchen and dining area.”

Pronunciation

IPA

/ɪkˈstɛnʃən/

Syllables

ex·ten·sion

Related Words

Synonyms

additionannexeexpansionprolongation

Antonyms

flexion

Word Game Tips

🟩

Wordle

Three E's and two N's; EX- prefix with -SION ending

🔤

Scrabble

Worth 17 points; X (8pts) adds significant value

Words Related to Extension

Words you can make from Extension

Shorter words formed from the letters in “extension”.

intense tension tennis enent eosin exies exine exion exist exite exits innet inone insee inset neist nenes neons nines ninos ninox niton nitos nixes

Add a letter to make a longer word

10-letter words you can spell by adding one letter to “extension”.

extensions

Longer words starting with Extension

Words that begin with “extension”.

extensions

Explore Similar Words

9-letter words starting with E 9-letter words ending with N All 9-letter words 8-letter words 10-letter words All word lists

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Dictionary References

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