4
continuing(noun, increase, line, spread, addition)
4
continuity(noun, endurance, stability, persistence, steadiness)
4
diffusion(noun, expansion, circulation, spreading)
4
dimension(noun, area, measure, matter, range)
4
elevation(noun, increase)
4
extending(noun, expansion, circulation, spreading)
4
extension phone(noun, expression, idiom)
4
extra(noun, part, increase, addition, accessory)
4
gain(noun, advance, increase, raise, rise)
4
height(measure, range)
4
infinity(time, period, interval)
4
maintenance(noun, persistence, continuation, preservation, perpetuation)
4
overhang
4
perpetuation(noun, endurance, persistence, continuation, preservation)
4
sphere(noun, territory, time, position, spread)
4
surge(noun, advance, raise, gain, rise)
4
university extension(noun, expression, idiom)
4
upswing
4
way(noun, area, remove, spread, range)
4
width(remove, spread, measure, level, range)
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APASmart Define. (2015). extension thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/extension/thesaurus/synonyms
ChicagoSmart Define. 2015. "extension thesaurus" https://smartdefine.org/extension/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, extension thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/extension/thesaurus/synonyms>.
MLASmart Define. "extension thesaurus" 22 December 2015. Web. 22 September 2026. <https://smartdefine.org/extension/thesaurus/synonyms>