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irresponsible

 - 4 dictionary results

ir⋅re⋅spon⋅si⋅ble

  [ir-i-spon-suh-buhl]
Use irresponsible in a Sentence
–adjective
1. said, done, or characterized by a lack of a sense of responsibility: His refusal to work shows him to be completely irresponsible.
2. not capable of or qualified for responsibility, as due to age, circumstances, or a mental deficiency.
3. not responsible, answerable, or accountable to higher authority: irresponsible as a monarch.
–noun
4. an irresponsible person.
Origin:
1640–50; ir- 2 + responsible

Related forms:
ir⋅re⋅spon⋅si⋅bil⋅i⋅ty, ir⋅re⋅spon⋅si⋅ble⋅ness, noun
ir⋅re⋅spon⋅si⋅bly, adverb

Synonyms:
1. unreliable, undependable, thoughtless.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To irresponsible
ir·re·spon·si·ble   (ĭr'ĭ-spŏn'sə-bəl)   
adj.  

  1. Marked by a lack of responsibility: irresponsible accusations.

  2. Lacking a sense of responsibility; unreliable or untrustworthy.

  3. Law Not mentally or financially fit to assume responsibility.

  4. Not liable to be called to account by a higher authority.

n.  

  1. One who has no sense of responsibility.

  2. Law One who is mentally or financially unfit to assume responsibility for one's actions.

  3. One who is unlikely to be called to account by a higher authority.

ir're·spon'si·bil'i·ty, ir're·spon'si·ble·ness n., ir're·spon'si·bly adv.
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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Word Origin & History

irresponsible 
1648, "not legally answerable for conduct or actions," from in- "not" + responsible (q.v.). Meaning "not acting with a sense of responsibility" is from 1681.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: ir·re·spon·si·ble
Pronunciation: "ir-i-'spän(t)-s&-b&l
Function: adjective
: not responsible : mentally inadequate to bear responsibility —ir·re·spon·si·bil·i·ty /-"spän(t)-s&-'bil-&t-E/ noun plural -ties
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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