careless

[kair-lis] / ˈkɛər lɪs /

ADJECTIVE

without sufficient attention

Synonyms

STRONGEST

casual forgetful hasty inaccurate indifferent indiscreet irresponsible lackadaisical lax negligent nonchalant reckless sloppy thoughtless wasteful

WEAK

absent-minded abstracted cursory disregardful heedless improvident imprudent inadvertent incautious inconsiderate indolent injudicious loose mindless napping oblivious offhand perfunctory pococurante regardless remiss slipshod uncircumspect unconcerned unguarded unheeding unmindful unobservant unreflective unthinking

Antonyms

STRONGEST

attentive careful caring mindful responsible

WEAK

accurate cautious concerned guarded kind painstaking prudent ready scrupulous thoughtful

ADJECTIVE

artless

Synonyms

STRONGEST

casual naive nonchalant

WEAK

modest natural simple unstudied

Antonyms

WEAK

accurate attentive careful cautious concerned guarded kind mindful painstaking prudent ready scrupulous thoughtful

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In my case, the confession didn’t make me look careless or unserious.

From The Wall Street Journal

However, Baroness Kidron said it was "careless" of the prime minister to see the issue "through the lens of his own children".

From BBC

This evidently isn’t the first time he has been careless about a matter that touches her soul.

From The Wall Street Journal

‘I have a moral and ethical conundrum’: My husband was killed by a careless driver.

From MarketWatch

A van driver who crashed into a broken-down car in a smart motorway's fast lane has been found guilty of causing death by careless driving.

From BBC