1. badly conceived, planned, or carried out; ill-advised
2. born to parents not married to each other
Usage: archaic; offensive

Examples

• The misbegotten plan to build a mall in the wetlands was quickly abandoned.
• His misbegotten attempt to fix the computer only made things worse.
• The committee called the proposal a misbegotten waste of taxpayer money.
• She regretted her misbegotten decision to quit her job without notice.
• The misbegotten scheme collapsed within weeks of its launch.
• Critics described the new policy as misbegotten and poorly researched.