3
continue(verb, take, cover, increase, open)
3
contribute(verb, responsible)
3
dilate(verb, take, cover, advance, increase)
3
distend(verb, advance, increase, raise, rise)
3
double(verb, advance, increase, raise, rise)
3
eke(verb, lengthen)
3
eke out(verb, expression, phrasal verb)
3
elongate(verb, take, cover, increase, open)
3
fixture(noun, part, extra, addition, extension)
3
follow-up
3
improve(verb, increase, develop, raise, boost)
3
lengthen(verb, take, cover, advance, increase)
3
make up(verb, expression, phrasal verb, close, end)
3
match
3
rise(noun, verb, advance, increase, raise)
3
snowball(verb, advance, increase, raise, rise)
3
spread(noun, verb, take, cover, advance)
3
stretch(noun, verb, take, cover, increase)
2
appurtenant
2
accessorize(verb, add, accompany)
10 years ago|14k views|share |citing 
APASmart Define. (2015). supplement thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/supplement/thesaurus/synonyms
ChicagoSmart Define. 2015. "supplement thesaurus" https://smartdefine.org/supplement/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, supplement thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/supplement/thesaurus/synonyms>.
MLASmart Define. "supplement thesaurus" 22 December 2015. Web. 22 September 2026. <https://smartdefine.org/supplement/thesaurus/synonyms>