mangelhaft
- Imperfect, defective, or substandard; describing something that fails to meet required standards or quality. adjectiveThe report was found to be mangelhaft and required significant revisions.His performance was mangelhaft, showing a lack of preparation and skill.
- Poor or inadequate in quality, often implying deficiencies or shortcomings. adjectiveThe workmanship was mangelhaft, with several visible flaws.The safety measures were mangelhaft, putting everyone at risk.