Synonyms for Flagellate (same or very similar meaning)
WordNet sense 1 (having or resembling a lash or whip (as does a flagellum)):
flagellated, whiplike, lash-like
WordNet sense 2 (a usually nonphotosynthetic free-living protozoan with whiplike appendages; some are pathogens of humans and other animals):
mastigophoran, mastigophore, flagellated protozoan, flagellate protozoan
WordNet sense 3 (whip):
scourge
From the ODE community, based on WordNet
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