1. (noun)inattentiveness, heedlessness a lack of attentiveness (as to children or helpless people) Synonyms: rashness, unmindfulness, inadvertency, inattentiveness, heedlessness, mindlessness, inadvertence Antonyms: heedfulness, mindfulness
2. (noun)heedlessness, mindlessness, rashness the trait of acting rashly and without prudence Synonyms: inattentiveness, unmindfulness, foolhardiness, inanity, senselessness, pointlessness, recklessness, vacuity, inadvertence, inadvertency, mindlessness, heedlessness, rashness Antonyms: heedfulness, mindfulness
3. (noun)unmindfulness, heedlessness, inadvertence, inadvertency the trait of forgetting or ignoring your responsibilities Synonyms: inattentiveness, unmindfulness, inadvertence, oversight, inadvertency, mindlessness, heedlessness, rashness Antonyms: heedfulness, mindfulness
Synonyms, Thesaurus & Antonyms of 'heedlessness'
English Synonyms and Antonyms
1. heedlessness Neglect (L. nec, not, and lego, gather) is the failing to take such care, show such attention, pay such courtesy, etc., as may be rightfully or reasonably expected. Negligence, which is the s Synonyms: neglect, carelessness, heedlessness, negligence, scorn, default, inadvertence, omission, slackness, disregard, inattention, oversight, slight, disrespect, indifference, remissness, thoughtlessness, failure, neglectfulness
Synonyms for heedlessness 
