What is another word for extension?

Common synonyms for extension include telephoneextension, reference, flexion, denotation, universityextension.

What is the opposite of extension?

Antonyms of extension include contraction, shortening, abridgment, curtailment, reduction.

Synonyms for

Extension

Verb / ɪˈkstenʃʌn / Another word for extension — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

Extension means making something longer or larger. It can also refer to a telephone line that is connected to another part of the phone system.

Synonyms & similar words

telephoneextension reference flexion denotation universityextension prolongation annexe lengthiness extensionphone elongation propagation filenameextension annex extensionservice wing prolongation expansion elongation addition continuation stretching increase amplification enlargement widening dilatation augmentation continuity suspension postponement adjournment deferment elongation expansion protraction

Synonyms by register

Formal

addition enlargement expansion prolongation

Informal

add-on extra bit stretch

Literary

outstretching amplification

Antonyms

contraction shortening abridgment curtailment reduction limitation

Common collocations

phone extension
hair extension
career extension
length extension
further extension
grace period extension
limited extension
temporary extension

Word family

noun extension

verb extend

adjective extensive

adverb extensively

Usage note

The word 'extension' can refer to an addition, a prolongation, or a device that expands reach. Be mindful of context, as it can apply to physical objects, time periods, or abstract concepts.