irresponsible
Definition
Not showing a proper sense of responsibility; careless or reckless.
日本語 責任感が欠けている
Example
"It was irresponsible of him to leave the car running while he went inside the store."
Not showing a proper sense of responsibility; careless or reckless.
日本語 責任感が欠けている
"It was irresponsible of him to leave the car running while he went inside the store."