Synset

marked by lack of attention or consideration or forethought or thoroughness; not careful
<adj.all>   freq. cnt.: 3 freq. cnt.: 3

careless

sample sentences

"careless about her clothes"
"forgotten by some careless person"
"a careless housekeeper"
"careless proofreading"
"it was a careless mistake"
"hurt by a careless remark"