280 entries under extend topic. ×

2
perdure(verb, advance, maintain, continue, stay)
2
perpetuate(delay, sustain, persist, persevere)
2
persevere(verb, advance, maintain, continue)
2
persist(verb, advance, maintain, delay, continue)
2
persist in(expression, advance, maintain, continue, stay)
2
press on(expression, advance, maintain, continue, stay)
2
proceed(verb, advance, increase, draw, progress)
2
progress(verb, advance, increase, maintain, raise)
2
proliferate(verb, set, cover, advance, increase)
2
promote(verb, advance, maintain, continue, stay)
2
pull(verb, go, cover, open, run)
2
pursue(verb, advance, maintain, continue, stay)
2
push on(expression, advance, maintain, continue, stay)
2
remain(verb, advance, maintain, continue)
2
rest(verb, advance, maintain, continue, stay)
2
ride(verb, advance, maintain, continue, stay)
2
run on(verb, expression, take, cover, advance)
2
slap on(verb, expression, advance, increase, open)
2
spin(verb, increase, draw, expand)
2
spread out(verb, expression, take, go, cover)
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APASmart Define. (2016). lengthen thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/lengthen/thesaurus/synonyms
ChicagoSmart Define. 2016. "lengthen thesaurus" https://smartdefine.org/lengthen/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, lengthen thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/lengthen/thesaurus/synonyms>.
MLASmart Define. "lengthen thesaurus" 9 March 2016. Web. 27 September 2026. <https://smartdefine.org/lengthen/thesaurus/synonyms>