D defs.my
Entry 1 sense Webster, 1913

Criticaster

/(krĭt"ĭk*ăs`tẽr)/ · Crit·ic·as·ter · IPA
01 n. A contemptible or vicious critic.
  1. 1.
    A contemptible or vicious critic.
    “The rancorous and reptile crew of poeticules, who decompose into criticasters.” — Swinburne.