Synonyms of careless
52 similar words · 1 opposite word
Another word for careless is regardless. Other synonyms of careless are reckless, sloppy, negligent, cursory and remiss. The opposite of careless is meticulous.
Synonyms and similar words for careless
adjectiveNot giving sufficient attention or thought, especially concerning the avoidance of harm or mistakes.
adjectiveFree from care; unworried, without anxiety.
- laid-backRelaxed and easy‐going; demonstrating an absence of stress or worry.
- unconcernedNot anxious, apprehensive, or worried.
- airy
- at ease
- at peace
- carefreeWithout cares or worries; free of concern or worries; without difficulty.
- casualCareless.
- chillCalm, relaxed, easygoing.
- cool
- devil-may-careCarefree, reckless, irresponsible.
- easy-breezyLaid-back and uncomplicated.
- easygoingCalm, relaxed, casual and informal.
- happy-go-luckyCarefree or untroubled.
- indifferentIndicating or reflecting a lack of concern or care.
- insouciantCasually unconcerned; carefree, indifferent, nonchalant.
- leisurelyCharacterized by leisure; taking plenty of time; unhurried.
- lightheartedEnjoyably lacking of seriousness, not grave.
- loose
- mellowCheerful, genial, jovial, merry; also, easygoing, laid-back, calm, relaxed.
- offhandCareless; without sufficient thought or consideration.
- nonchalant
- pococuranteApathetic, indifferent or nonchalant.
- relaxedFree from tension or anxiety; at ease; leisurely.
- sereneWithout worry or anxiety; unaffected by disturbance.
- soluteRelaxed; hence, cheerful, merry.
- tranquil
- unanxiousNot anxious.
- unbotheredNot bothered, serene.
- undisturbed
- unruffled
- untroubledWithout worries; free from care.
- unworriedFree of worries.
- wanton obsoletePlayful, sportive; merry or carefree.
adjectiveMore synonyms
- cursoryCareless or desultory.
- derelict USNegligent in performing a duty; careless.
- heedlessUnaware; without noticing; careless; inattentive.
- irregardlessIrrespective, regardless.
- irrespective
- lax
- incautiousCareless, reckless, not exercising proper caution.
- neglectfulTending to neglect; failing to take care of matters which require attention; forgetful.
- regardlessTaking insufficient regard of; heedless; careless.
- remissNot energetic or exact in duty or business; careless; tardy; slack; hence, lacking earnestness or activity; languid...
- slack
- slapdashProduced or carried out hastily; haphazard; careless.
- sloppyCareless, messy; not neat, elegant, or careful.
- slovenlyCareless or negligent; sloppy.
- slipshod
- unfaithful
- lash obsoleteRelaxed.
Opposite of careless
adjectiveMore antonyms
- meticulousCharacterized by very precise, conscientious attention to details.
Meaning of careless
- adjective Not concerned or worried (about).
- adjective Not giving sufficient attention or thought, especially concerning the avoidance of harm or mistakes.
- adjective Free from care; unworried, without anxiety.
careless in other languages
Questions about synonyms of careless
- What is another word for careless?
- Careless has 52 synonyms on Word.ws, such as regardless, reckless, sloppy, negligent, cursory, remiss, heedless and slapdash.
- What is the opposite of careless?
- The opposite of careless is meticulous.
- What does careless mean?
- Careless means not concerned or worried (about).
Source and license
Adapted from Wiktionary: careless (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
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Cite this page: “Synonyms of careless.” Word.ws, https://word.ws/synonyms/careless. Based on Wiktionary, CC BY-SA 4.0.