Lacking sense or discretion;scatterbrained.
The handwriting of this scatterbrained fellow was totally illegible.
In a business meeting, men view a woman thinking aloud as being scatterbrained, undisciplined or unintelligent.
Other new mothers have said that lack of sleep and worrying about their child contributed to feeling scatterbrained.
Agatha Christie's fictional sleuth is often dismissed as scatterbrained, but she is actually a shrewd judge of character and harbors deep knowledge of the dark side of human nature.
