Verb (5-dan, す, transitive)
1. to search for; to look for; to hunt for; to seek
esp. 探す for something desired and 捜す for something lost
それを探してるんじゃない？Aren't you looking for that?
2. to search (a house, pocket, etc.); to search through; to rummage in (e.g. a drawer); to fish around
どこを探している？Where are you searching?