Noun: heedlessness heed-lus-nus
- A lack of attentiveness (as to children or helpless people)
"His heedlessness while driving resulted in a near-miss";
- inattentiveness
- The trait of acting rashly and without prudence
"His heedlessness in making decisions often led to trouble";
- mindlessness, rashness
- The trait of forgetting or ignoring your responsibilities
"His heedlessness about paying bills on time affected his credit score";
- unmindfulness, inadvertence, inadvertency
Type of: attentiveness, imprudence, inattention
Antonym: attentiveness