Reck"less, a. [AS.
recceleás, rēceleás.]
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.