87 entries under extend topic. ×

1
mark up(verb, expression, phrasal verb, advance, increase)
1
mushroom(verb, increase, open, develop)
1
open(verb, increase, develop, spread)
1
open out(verb, expression, phrasal verb, increase, open)
1
progress(verb, advance, increase, raise, rise)
1
proliferate(verb, advance, increase, raise, rise)
1
puff up(verb, expression, phrasal verb, increase, open)
1
pullulate(verb, advance, increase, raise, rise)
1
pyramid(verb, increase, open, develop)
1
raise(verb, advance, increase, rise)
1
redouble(verb, advance, increase, raise, rise)
1
reinforce(verb, advance, increase, develop, secure)
1
rise(verb, advance, increase, raise)
1
sharpen(verb, advance, increase, raise, rise)
1
spread out(verb, expression, phrasal verb, increase, open)
1
stretch(verb, increase, open, develop)
1
stretch out(verb, expression, phrasal verb, increase, open)
1
swarm(verb, advance, increase, raise, rise)
1
swell(verb, advance, increase, open, develop)
1
teem(verb, advance, increase, raise, rise)
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APASmart Define. (2015). tack on thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/tack_on/thesaurus/synonyms
ChicagoSmart Define. 2015. "tack on thesaurus" https://smartdefine.org/tack_on/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, tack on thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/tack_on/thesaurus/synonyms>.
MLASmart Define. "tack on thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/tack_on/thesaurus/synonyms>