そそかしい

(1)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"

(2)注意、熟慮、計画、または徹底の欠如によりマークされる

(3)慎重さに欠ける

(1)