Definify.com
Webster 1913 Edition
Thoughtless
Thought′less
,adv.
1.
Lacking thought; careless; inconsiderate; rash;
as, a
. thoughtless
person, or act2.
Giddy; gay; dissipated.
[R.]
Johnson.
3.
Deficient in reasoning power; stupid; dull.
Thoughtless
as monarch oaks that shade the plain. Dryden.
Thought′less-ly
, adv.
Thought′less-ness
, Noun.
Webster 1828 Edition
Thoughtless
THOUGHT'LESS
,Adj.
Thoughtless of the future.
1.
Gay; dissipated.2.
Stupid; dull. Thoughtless as monarch oaks that shade the plain.