ignoramus

[ ig-nuh-rey-muhs, -ram-uhs ]
/ ˌɪg nəˈreɪ məs, -ˈræm əs /

noun, plural ig·no·ra·mus·es.

an extremely ignorant person.

Origin of ignoramus

1570–80; < Latin ignōrāmus we ignore (1st person plural present indicative of ignōrāre to be ignorant of, ignore); hence name of an ignorant lawyer in the play Ignoramus (1615) by the English playwright G. Ruggle, whence current sense
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ignoramus

British Dictionary definitions for ignoramus

ignoramus

/ (ˌɪɡnəˈreɪməs) /

noun plural -muses

an ignorant person; fool

Word Origin for ignoramus

C16: from legal Latin, literally: we have no knowledge of, from Latin ignōrāre to be ignorant of; see ignore; modern usage originated from the use of Ignoramus as the name of an unlettered lawyer in a play by G. Ruggle, 17th-century English dramatist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012