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deliriant

 - 4 dictionary results

de⋅lir⋅i⋅ant

[di-leer-ee-uhnt]
–adjective
1. involving or causing delirium.
–noun
2. a substance, as a compound or drug, that causes delirium.

Origin:
1880–85; deliri(um) + -ant
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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de·lir·i·um   (dĭ-lîr'ē-əm)   
n.   pl. de·lir·i·ums or de·lir·i·a (-ē-ə)
  1. A temporary state of mental confusion and fluctuating consciousness resulting from high fever, intoxication, shock, or other causes. It is characterized by anxiety, disorientation, hallucinations, delusions, and incoherent speech.

  2. A state of uncontrolled excitement or emotion: sports fans in delirium after their team's victory.


[Latin dēlīrium, from dēlīrāre, to be deranged : dē-, de- + līra, furrow; see leis-1 in Indo-European roots.]
de·lir'i·ant adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: 1de·lir·i·ant
Pronunciation: di-'lir-E-&nt
Function: adjective
: producing or tending to produce delirium

Main Entry: 2deliriant
Function: noun
: a deliriant agent
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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