reckless Meaning, Definition & Usage

  1. adjective satellite marked by defiant disregard for danger or consequences
    foolhardy; rash; heady.
    • foolhardy enough to try to seize the gun from the hijacker
    • became the fiercest and most reckless of partisans"-Macaulay
    • a reckless driver
    • a rash attempt to climb Mount Everest
  2. adjective satellite characterized by careless unconcern
    heedless.
    • the heedless generosity and the spasmodic extravagance of persons used to large fortunes"- Edith Wharton
    • reckless squandering of public funds

WordNet

Reck"less adjective
Etymology
AS. recceleás, receleás.
Definitions
  1. Inattentive to duty; careless; neglectful; indifferent. Chaucer.
  2. Rashly negligent; utterly careless or heedless.
    It made the king as reckless as them diligent. Sir P. Sidney.
    Syn. -- Heedless; careless; mindless; thoughtless; negligent; indifferent; regardless; unconcerned; inattentive; remiss; rash. -- Reck"less*ly, adv. -- Reck"less*ness, n.

Webster 1913