-marcasitical-

{ } a. [ L. parasiticus, Gr. &unr_;: cf. F. parasitique. ] [ 1913 Webster ]

1. Of the nature of a parasite; having the habits of a parasite; fawning for food or favors; sycophantic. “Parasitic preachers.” Milton.
Syn. -- leechlike, bloodsucking. [ 1913 Webster ]

2. (Bot. & Zool.) Of or pertaining to parasites; living on, or deriving nourishment from, some other living animal or plant. See Parasite, 2 & 3. [ 1913 Webster ]

Parasitic gull,
Parasitic jager. (Zool.) See Jager. [ 1913 Webster ]

-- Par`a*sit"ic*al*ly, adv. -- Par`a*sit"ic*al*ness, n. [ 1913 Webster ]