1
oyster(noun, shrimp)
1
pansy
1
pantywaist
1
piddock(noun, shrimp)
1
prawn(noun, shrimp)
1
primate
1
protozoan
1
protozoic
1
pushover
1
rickety
1
rotifer
1
rude
1
sad sack
1
scallop(noun, shrimp)
1
scaredy-cat
1
scaredy cat(expression, chicken, coward, weakling, quitter)
1
scavenger
1
shellfish
1
shirk(chicken, coward, weakling, quitter, faint-of-heart)
1
sissy
11 years ago|5.8k views|share |citing 
APASmart Define. (2015). invertebrate thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/invertebrate/thesaurus/synonyms
ChicagoSmart Define. 2015. "invertebrate thesaurus" https://smartdefine.org/invertebrate/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, invertebrate thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/invertebrate/thesaurus/synonyms>.
MLASmart Define. "invertebrate thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/invertebrate/thesaurus/synonyms>