Adjective
Giddy; thoughtless.
Source: Webster's dictionaryGemini women can be scatter-brained, so if you miss an important date or forget to wash the dishes, remind your partner that these aren't a reflection of how you feel for them. Source: Internet
His lectures were theater: he’d open his mouth and out came the lecture fully-formed without an “um” or a scatter-brained pause to be found. Source: Internet
I have always dreamed of writing my own book and have many scatter-brained ideas, but don't really know where to start or even what to do once I think I am finished. Source: Internet