Foolish, confused, or scatterbrained; having poor judgment or unclear thinking.
Adjectival form of 'addlepate,' formed by adding '-ed' to express the quality of being an addlepate.
This adjective got a boost in popularity when it appeared in classic literature—it's just novel enough that writers loved it, but descriptive enough that readers instantly understood the foolishness being described.
Complete word intelligence in one call. Free tier — 50 lookups/day.