The phrase 'bore scrutiny' refers to something that can withstand close examination or investigation without revealing any flaws or weaknesses. Antonyms for 'bore scrutiny' include 'suspect' or 'doubtful' which imply that there are reasons for suspicion or mistrust when closely examined. Other antonyms include 'flawed,' 'imperfect,' or 'defective,' which suggest that there are inherent weaknesses or problems that become apparent when scrutinized. These antonyms highlight the importance of being thorough and objective when examining or evaluating something, whether it be an argument, a product, or a person.