negligently
Definitions
In a manner characterized by a lack of proper care or attention.
In a way that fails to exercise the degree of caution expected of a reasonable person.
Examples
The driver acted negligently by ignoring the stop sign and causing a collision.
The company was found to have negligently handled the sensitive customer data.
He negligently left the stove on, which resulted in a small kitchen fire.
Synonyms
carelessly heedlessly remissly thoughtlessly laxly inattentively irresponsibly
Antonyms
carefully attentively diligently conscientiously meticulously thoroughly scrupulously