Search Result for "ignoramus": 
Wordnet 3.0

NOUN (1)

1. an ignorant person;
[syn: ignoramus, know nothing, uneducated person]

The Collaborative International Dictionary of English v.0.48:

Ignoramus \Ig`no*ra"mus\, n. [L., we are ignorant. See Ignore.] 1. (Law) We are ignorant; we ignore; -- being the word formerly written on a bill of indictment by a grand jury when there was not sufficient evidence to warrant them in finding it a true bill. The phrase now used is, "No bill," "No true bill," or "Not found," though in some jurisdictions "Ignored" is still used. --Wharton (Law Dict. ). Burn. [1913 Webster] 2. (pl. Ignoramuses.) A stupid, ignorant person; a vain pretender to knowledge; a dunce. [1913 Webster] An ignoramus in place and power. --South. [1913 Webster]
WordNet (r) 3.0 (2006):

ignoramus n 1: an ignorant person [syn: ignoramus, know nothing, uneducated person]
Moby Thesaurus II by Grady Ward, 1.0:

67 Moby Thesaurus words for "ignoramus": abecedarian, alphabetarian, apprentice, articled clerk, ass, beginner, boot, born fool, buffoon, catechumen, clown, dabbler, debutant, dilettante, doodle, dullard, dullhead, dumbbell, dummkopf, dummy, dunce, egregious ass, entrant, figure of fun, fledgling, fool, freshman, greenhorn, greeny, idiot, illiterate, illiterati, inductee, initiate, jackass, know-nothing, lowbrow, lunatic, middlebrow, milksop, mooncalf, moron, neophyte, new boy, newcomer, no scholar, novice, novitiate, perfect fool, postulant, probationer, probationist, puddinghead, raw recruit, recruit, rookie, schmuck, simpleton, softhead, sop, stupid, stupid ass, tenderfoot, tomfool, tyro, unintelligentsia, zany
Bouvier's Law Dictionary, Revised 6th Ed (1856):

IGNORAMUS, practice. We are ignorant. This word, which in law means we are uninformed, is written on a bill by a grand jury, when they find that there is not sufficient evidence to authorize their finding it a true bill. Sometimes, instead of using this word, the grand jury endorse on the bill, "Not found." 4 Bl. Com. 305. Vide Grand Jury.
The Devil's Dictionary (1881-1906):

IGNORAMUS, n. A person unacquainted with certain kinds of knowledge familiar to yourself, and having certain other kinds that you know nothing about. Dumble was an ignoramus, Mumble was for learning famous. Mumble said one day to Dumble: "Ignorance should be more humble. Not a spark have you of knowledge That was got in any college." Dumble said to Mumble: "Truly You're self-satisfied unduly. Of things in college I'm denied A knowledge -- you of all beside." Borelli