The word "delve" means to conduct a thorough research or investigation on a particular subject matter. However, there are several antonyms that can be used in place of "delve for" to convey the opposite meaning. For instance, the antonym for "delve" is shallow, which means to lack depth or being superficial. Another antonym for "delve" is skim, which means to read through quickly without paying much attention to the details. Moreover, other antonyms that can be used instead of "delve for" include compress, condense, and reduce, meaning to summarize or shorten something rather than investigating it thoroughly.