1. lacking a systematic or organized method; disorderly or unsystematic in approach or execution
Usage: formal; often used to describe work habits, thinking, or procedures

Examples

• His immethodical approach to studying made it difficult for him to retain information.
• The team's immethodical planning resulted in missed deadlines and wasted resources.
• She criticized the immethodical way the files were arranged in the office.
• An immethodical researcher may overlook important details in their investigation.
• The immethodical distribution of supplies led to shortages in some departments.
• His immethodical writing style made the essay hard to follow.