SAT TOEFL heedless Definition Showing a reckless lack of care or attention. 한국어 주의를 기울이지 않는 Example "He drove heedless of the icy road conditions." Sign in to save SAT PDF — $25 TOEFL PDF — $25 ← heed heel → Study tips featuring "heedless" TOEFL Academic Vocabulary: Study by Topic How Context Clues Save You on the SAT Related words SAT antonym SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal