7
increase(noun, verb, take, cover, open)
7
preserve(verb, support, help, keep, maintain)
7
prolongate(verb, take, go, cover, increase)
7
put off(verb, expression, phrasal verb, hold, keep)
7
spin(verb, increase, draw, extend, expand)
7
sustain(verb, support, keep, maintain, continue)
6
pad(verb, take, go, cover, advance)
6
suspend(verb, hold, keep, block, delay)
6
temporize(verb, hold, keep, block, delay)
5
adjourn(verb, hold, keep, reject, halt)
5
drag(verb, hold, keep, block, delay)
5
keep going(verb, expression, idiom, support, help)
5
keep up(verb, expression, phrasal verb, support, keep)
5
prorogue(verb, hold, keep, reject, halt)
5
spread(verb, take, cover, advance, increase)
4
amplify(verb, take, cover, advance, increase)
4
broaden(verb, take, cover, advance, increase)
4
carry on(verb, expression, take, cover, increase)
4
hold off(verb, expression, phrasal verb, reject, halt)
4
lay over(verb, expression, phrasal verb, keep, reject)
11 years ago|8.2k views|share |citing 
APASmart Define. (2015). protract thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/protract/thesaurus/synonyms
ChicagoSmart Define. 2015. "protract thesaurus" https://smartdefine.org/protract/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, protract thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/protract/thesaurus/synonyms>.
MLASmart Define. "protract thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/protract/thesaurus/synonyms>