1. Lacking sense or discretion
   "how rattlepated I am! I've forgotten what I came for"
   - rattlebrained, scatterbrained, scatty [Brit]

See also: foolish

• circular
• circular file
• circular function
• circular measure
• circular plane
• circular saw
• circular-knit
• circularisation
• circularise
• circularity
• circularization
• circularize
• circularly
• circulate
• circulating
• circulating decimal
• circulating library
• circulation
• circulative
• circulator
• circulatory
• circulatory failure
• circulatory system
• circum-
• circumambient