say it: KER-luhs
careless is an adjective meaning "marked by lack of attention or consideration or forethought or thoroughness; not careful". It carries 3 recorded senses.
marked by lack of attention or consideration or forethought or thoroughness; not careful
“careless about her clothes”
“forgotten by some careless person”
“a careless housekeeper”
“careless proofreading”
“it was a careless mistake”
“hurt by a careless remark”
effortless and unstudied
“an impression of careless elegance”
“danced with careless grace”
(usually followed by `of') without due thought or consideration
“careless of the consequences”
“crushing the blooms with regardless tread”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for careless come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.