Base and Extension

Opposite meaning words

Base noun - An immaterial thing upon which something else rests.

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Extension is an antonym for base.

Nearby Words: basic, basal, based, baseline, baseball

Extension noun - The act of making longer.

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Base is an antonym for extension in enlargement topic.

human	human base	human extension
high	high base	high extension
full	full base	full extension
low	low base	low extension
Other adjectives: complete, certain, entire, massive, large, huge, new, abandoned, final, different, technological.

Nigel follows suit during the gig at the air force base after being frustrated by the sound interference and by extension the lousy gigs.

Source: Film / This Is Spinal Tap
Eight years later, having spent time as Secretary of State and becoming something of The Dragon to Obama she effectively ran as an extension of Obama's legacy...however, the Democratic base had now shifted to the Left of him as well.

Source: Moving the Goalposts
The Jusenkyo Guide comes to Japan because this is a special day, a day in which a certain body of water can be connected to Jusenkyo's base water, allowing it to be turned into an extension of whichever spring is desired.

Source: Yank the Dog's Chain

Cite this Source

Extension and Base. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/base/extension

Base & Extension. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/base/extension>.

Extension or Base. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/base/extension.

Google Ngram Viewer shows how "base" and "extension" have occurred on timeline