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WORDNET DICTIONARY
THESAURUS

RELATED WORDS : baby sitting black duck buffel duck canvasback duck cold duck dabbling duck dead duck diving duck donald duck duck duck down duck hunter duck hunting duck out duck pate duck sauce duck shot duck soup eider duck fish duck lake duck lame duck lesser scaup duck mandarin duck muscovy duck musk duck pet sitting pin-tailed duck queer duck ruddy duck scaup duck sea duck sitting sitting bull sitting room sitting trot squam duck summer duck vicissy duck wild duck wood duck

WORDNET DICTIONARY

Noun sitting duck has 1 sense

• sitting duck(n = noun.person) easy mark - a defenseless victim; Array
is a kind of dupe, victim

THESAURUS

sitting duck

babe, boob, breeze, butt, chump, cinch, credulous person, cull, dupe, easy mark, easy pickings, easy target, easy thing, fall guy, fish, fool, gobe-mouches, greener, greenhorn, greeny, gudgeon, gull, innocent, leadpipe cinch, mark, monkey, patsy, picnic, pie, piece of cake, pigeon, plaything, prize sap, pushover, sap, saphead, schlemiel, setup, sinecure, sitter, snap, stooge, sucker, toy, trusting soul, velvet, victim

For further exploring for "sitting duck" in Webster Dictionary Online