Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* Antōnĭaster, tri, m. dim. [from Antonius, as surdaster from surdus, parasitaster from parasitus; cf. Prisc. p. 628 P.], a servile imitator of the orator Antonius, a petty Antony: hic noster Antoniaster, Cic. Varen. Fragm. ap. Prisc. p. 617 P.