ill-conceived
adj1
Not properly planned or thought through.
- Elegant brick and stone buildings, with iron and glass canopies and decorative wooden scalloping and fencing—all evidencing care on the part of the architect to produce a pleasing, well-planned building—were submerged beneath a profusion of ill-conceived additions and camouflaged by vulgar paint schemes; and the original conception was lost.1962 October, Brian Haresnape, “Focus on B.R. passenger stations”, in Modern Railways, pages 250–251: