careless.
Not concerned or worried (about).
Meaning & usage
Not concerned or worried (about).
Not giving sufficient attention or thought, especially concerning the avoidance of harm or mistakes.
Jessica was so careless that she put her shorts on backwards.
Free from care; unworried, without anxiety.
Jessica was careless about putting her shorts on properly.
Where this word comes from
Etymology tree Proto-Indo-European *ǵeh₂r-der. Proto-Germanic *karō Proto-West Germanic *karu Old English caru Proto-Indo-European *lewh₁- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Old English carlēas Middle English careles English careless From Middle English careles, from Old English carlēas (“careless, reckless, void of care, free from care, free”), equivalent to care + -less. Cognate with Icelandic kærulaus (“careless, negligent”).
Try it on your idea.
careless has 8 characters. Say it out loud, try it alongside a description of your project, and see whether its meaning fits what you want to create.
These are naming prompts. Meanings and pronunciation can vary; existing brand and domain uses have not been checked.
Explore the name generatorA word with a source.
Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.