- The definition of reckless is something that is done foolishly, carelessly, or without thinking about the consequences.
An example of behavior that would be described as reckless driving is driving 110 miles an hour down a highway with a speed limit of 55.
- careless; heedless
- not regarding consequences; headlong and irresponsible; rash
Origin: Middle English reckeles from Old English recceleas: see reck and amp; -less
Used by arrangement with John Wiley & Sons, Inc.
- a. Heedless or careless.b. Headstrong; rash.
- Indifferent to or disregardful of consequences: a reckless driver.
Origin: Middle English reckeles, from Old English rēcelēas; see reg- in Indo-European roots.
- reckˈless·ly adverb
- reckˈless·ness noun