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[in-kuh n-sid-er-it] /ˌɪn kənˈsɪd ər ɪt/
without due regard for the rights or feelings of others:
It was inconsiderate of him to keep us waiting.
acting without consideration; thoughtless; heedless.
overhasty; rash; ill-considered:
slovenly, inconsiderate reasoning.
Origin of inconsiderate
late Middle English
First recorded in 1425-75; late Middle English word from Latin word inconsīderātus. See in-3, considerate
Related forms
inconsiderately, adverb
inconsiderateness, inconsideration, noun
1. insensitive, uncaring, rude. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for inconsiderateness
Historical Examples
  • Perhaps I had too rashly over-leaped conventionalities; and he, like St. John, saw impropriety in my inconsiderateness.

    Jane Eyre Charlotte Bronte
  • Their inconsiderateness, their indifference to the comfort of their passengers.

    John Marvel, Assistant Thomas Nelson Page
  • Or who in such straits, would permit themselves to be distracted either by Hypocrisy or inconsiderateness?

    The Sleeping Bard Ellis Wynne
  • He is a thoroughly admirable person in all but his inconsiderateness in this waste of a precious life.

    The Brownings Lilian Whiting
  • If they do it inadvertently, it is carelessness; if designedly, inconsiderateness.

    De Officiis Marcus Tullius Cicero
  • So presently she got into bed and, sighing at the incongruity and inconsiderateness of circumstance, she turned out the light.

  • What a satisfaction am I robbed of, my dearest friend, when I reflect upon my inconsiderateness!

    Clarissa, Volume 3 (of 9) Samuel Richardson
  • The other is the speaking falsely through culpable ignorance, error, or inconsiderateness.

  • His inconsiderateness has been a pair of spectacles to me for months.

  • He flushed faintly, as if he deserved reproach for inconsiderateness.

    The Port of Adventure Charles Norris Williamson and Alice Muriel Williamson
British Dictionary definitions for inconsiderateness


lacking in care or thought for others; heedless; thoughtless
(rare) insufficiently considered
Derived Forms
inconsiderately, adverb
inconsiderateness, inconsideration, noun
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
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Word Origin and History for inconsiderateness



late 15c., "done thoughtlessly," literally "not properly considered," from Latin inconsideratus "headstrong, unadvised, thoughtless," from in- "not, opposite of" (see in- (1)) + consideratus (see consider). Related: Inconsiderately; inconsiderateness.

Online Etymology Dictionary, © 2010 Douglas Harper
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