Simple Definition of heedless

from our Learner's Dictionary

heedless

adjective

ˈhiːdləs

: not paying careful attention

They remain heedless of their own safety.

the heedless use of natural resources

heedless waste

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“Heedless.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/heedless. Accessed 23 Jun. 2026.

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