2
gather(verb, increase, gain)
2
gelatinate(set, coagulate, clot, curdle)
2
heighten(verb, advance, increase, open, develop)
2
hike(verb, increase, open, develop, extend)
2
jellify(verb, form, set, fix, develop)
2
join(verb, develop, secure, stick, unite)
2
knot
2
lopper(set, dry, coagulate, coalesce, clot)
2
lump(coalesce, congeal)
2
magnify(verb, advance, increase, develop, raise)
2
maximize
2
mount(verb, advance, increase, open, develop)
2
multiply(verb, advance, increase, open, develop)
2
mushroom(verb, increase, open, develop, extend)
2
outspread(verb, adjective, increase, open, develop)
2
pad(verb, advance, increase, open, develop)
2
petrify(verb, close, set, fix, settle)
2
precipitate(verb, close, set, fix, settle)
2
prolong(verb, advance, increase, open, develop)
2
protract(verb, advance, increase, open, develop)
11 years ago|6.5k views|share |citing 
APASmart Define. (2015). thicken thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/thicken/thesaurus/synonyms
ChicagoSmart Define. 2015. "thicken thesaurus" https://smartdefine.org/thicken/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, thicken thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/thicken/thesaurus/synonyms>.
MLASmart Define. "thicken thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/thicken/thesaurus/synonyms>