13
leech(noun, person, dependence, sponge, parasite)
11
parasite(noun, person, something, dependence, pest)
7
freeloader(noun, person, slang, dependence, extortionist)
7
sponge(noun, person, dependence, opportunist, extortionist)
6
vampire(noun, evil doer, extortionist)
5
extortioner(noun, tick, extortionist)
5
hirudinean
5
predator
4
barnacle(noun, parasite)
4
hanger-on(noun, person, dependence)
4
scrounger
4
sponger
4
vulture(noun, evil doer)
3
blackmailer
3
scrounge
2
extortionist
2
flea
2
harpy
2
louse
2
moocher
11 years ago|2.7k views|share |citing 
APASmart Define. (2015). bloodsucker thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/bloodsucker/thesaurus/synonyms
ChicagoSmart Define. 2015. "bloodsucker thesaurus" https://smartdefine.org/bloodsucker/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, bloodsucker thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/bloodsucker/thesaurus/synonyms>.
MLASmart Define. "bloodsucker thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/bloodsucker/thesaurus/synonyms>