Synonym: reckless, thoughtless, unheeding. Similar words: needle, endless, regardless, regardless of, irregardless, heed, uselessness, selflessness. Meaning: ['hɪːdlɪs] 
adj. 1. marked by or paying little heed or attention 2. characterized by careless unconcern.
adj. 1. marked by or paying little heed or attention 2. characterized by careless unconcern. 
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31. The heedful do not die; the heedless are like unto the dead.
32. Heedless of everyone's jesting remarks, Fang put down his glass and followed her.
33. Heedless of our advice, he went for a swim and drowned.
34. He is heedless of the noises out of the windows.
35. "Traces of story" where nature, heedless of neglect, repossess its spaces.
36. She thought of the wood, and stole toward it, heedless of long grass and briers.
37. Presently this thought occurred to me; how heedless I have been!
38. Natalie, I have certainly been heedless about a serious matter.
More similar words: needle, endless, regardless, regardless of, irregardless, heed, uselessness, selflessness, tactlessness, meddlesome, less, bless, useless, lesson, unless, lessen, lesser, witless, careless, formless, sinless, hapless, selfless, pitiless, blessing, reckless, ruthless, nonetheless, spotless, homeless.