Ignoramus definition

ĭgnə-rāməs
Frequency:
An ignorant person.
noun
14
4
An ignorant and stupid person.
noun
8
4
The definition of an ignoramus is someone who lacks knowledge or is dumb.

An example of an ignoramus is someone who doesn't know their left from their right.

noun
0
1
A totally ignorant person—unknowledgeable, uneducated, or uninformed; a fool.
noun
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1
(law, dated) A grand jury's ruling on an indictment when the evidence is determined to be insufficient to send the case to trial.
noun
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1
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Other Word Forms

Noun

Singular:
ignoramus
Plural:
ignoramuses

Origin of ignoramus

  • From New Latin ignōrāmus a grand jury's endorsement upon a bill of indictment when evidence is deemed insufficient to send the case to a trial jury from Latin we do not know first person pl. present tense of ignōrāre to be ignorant ignore

    From American Heritage Dictionary of the English Language, 5th Edition

  • After the ignorant lawyer Ignoramus, the titular character in the 1615 play Ignoramus by the English playwright Georges Ruggle; from Latin ignōrāmus (“we do not know, we are ignorant of”), the first-person plural present active indicative of īgnōrō (“I do not know, I am unacquainted with, I am ignorant of”).

    From Wiktionary

  • Directly from Latin ignōrāmus (“we do not know”).

    From Wiktionary