The phrase "put one finger on" means to identify or recognize something with certainty. Its antonyms include words such as doubt, uncertain, unsure, unaware, and unfamiliar. When you cannot "put one finger on" something, it means that you cannot pinpoint or identify it clearly. It is often associated with the feeling of being lost, confused or uncertain. Antonyms of this phrase convey a lack of clarity or conviction. To overcome this feeling, it is important to seek clarity by gaining more knowledge, exploring new perspectives or consulting with others. By doing so, you can confidently identify and address problems, challenges or opportunities before you.