| a. | 1. | Without heed or care; inattentive; careless; thoughtless; unobservant. |
| Adj. | 1. | heedless - marked by or paying little heed or attention; "We have always known that heedless self-interest was bad morals; we know now that it is bad economics"--Franklin D. Roosevelt; "heedless of danger"; "heedless of the child's crying" Synonyms: unheeding, thoughtless Antonyms: heedful, attentive, thoughtful - taking heed; giving close and thoughtful attention; "heedful of the warnings"; "so heedful a writer"; "heedful of what they were doing" |
| 2. | heedless - characterized by careless unconcerned; "the heedless generosity and the spasmodic extravagance of persons used to large fortunes"- Edith Wharton; "reckless squandering of public funds" Synonyms: reckless |