An inquisitive one is someone who is naturally curious and eager to learn more. The crossword solutions for this term include PRIER (5 letters), PRYER (5 letters), SNOOP (5 letters), ASKER (5 letters), SPIER (5 letters), and SNOOPER (7 letters). All of these words refer to someone who is inquisitive, as they imply that the person is asking questions, prying into matters, snooping around, or spying on others.