An impractical person is someone who is not realistic in their thinking and behavior. They are often dreamers, idealists, ideologues, seers, and theorists. A DREAMER is someone who has a lot of ambition but lacks the practicality to make it happen. An IDEALIST is someone who has high expectations and standards that are difficult to meet. An ideologue is someone who is devoted to a particular set of beliefs or principles. A SEER is someone who has prophetic insight or foresight. Lastly, a THEORIST is someone who is devoted to the study of a particular subject. All of these traits combined make up an impractical person.