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Webster 1828 Edition

Adj.

Unsettled; unsteady; volatile; not considerate.

He that is hasty to give credit, is lightminded.

See also: light-minded

lightminded ‎(comparative more lightminded, superlative most lightminded)

Alternative form of light-minded
- 1994, David L. Hall, Richard Rorty: Prophet and Poet of the New Pragmatism, ISBN 0791417719, page 146:
  A principal virtue of Rorty's recognition of both the lightminded and the serious side of irony is to urge us in that direction.