follow Dictionary.com

How do you spell Hannukah?

thoughtless

[thawt-lis] /ˈθɔt lɪs/
adjective
1.
lacking in consideration for others; inconsiderate; tactless:
a thoughtless remark.
2.
characterized by or showing lack of thought:
a shallow, thoughtless book.
3.
not thinking enough; careless or heedless:
thoughtless of his health.
4.
devoid of or lacking capacity for thought.
Origin
1585-1595
1585-95; thought1 + -less
Related forms
thoughtlessly, adverb
thoughtlessness, noun
Synonyms
1. negligent, neglectful. 3. inattentive, remiss.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for thoughtlessly

thoughtless

/ˈθɔːtlɪs/
adjective
1.
inconsiderate: a thoughtless remark
2.
having or showing lack of thought: a thoughtless essay
3.
unable to think; not having the power of thought
Derived Forms
thoughtlessly, adverb
thoughtlessness, 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
Cite This Source
Word Origin and History for thoughtlessly

thoughtless

adj.

"inconsiderate," 1794, from thought + -less. Related: Thoughtlessly; thoughtlessness.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for thoughtless

Few English speakers likely know this word

Word Value for thoughtlessly

23
24
Scrabble Words With Friends

Quotes with thoughtlessly