The word "thorough" means complete, detailed, and leaving no part or aspect overlooked. Some antonyms for "thorough" are:
Superficial: This word implies a lack of depth or a focus only on the surface. For example, "His understanding of the subject was superficial, whereas a thorough analysis would have delved deeper into the complexities." Superficial describes something that is done hastily or without a comprehensive examination.
Cursory: A cursory inspection or action is quick and not very detailed. For instance, "She gave the document a cursory glance instead of a thorough reading." Cursory suggests a lack of care or attention to detail.
Half-hearted: When someone is half-hearted, they are not fully committed or enthusiastic. This is in contrast to being thorough, which requires full dedication. For example, "His efforts were half-hearted and not as thorough as they needed to be." Half-hearted implies a lack of passion or determination.
In conclusion, while "thorough" represents a high level of care and attention to detail, its antonyms like superficial, cursory, and half-hearted indicate a lack of completeness or commitment. These words help us understand the importance of being thorough in various tasks and endeavors.