There are various synonyms for the phrase "wanting to know". When someone is curious about something, they might be described as being "inquisitive" or "inquiring". If someone is keen to find out about a particular topic, they may be characterized as "interested" or "curious". If someone is seeking information, they might be labeled as "probing" or "inquiring". Furthermore, if a person is eager to learn something that they currently do not know, they may be called "enquiring" or "exploring". Ultimately, there are numerous synonyms for the phrase "wanting to know", and it is important to use the right word in the right context.