Explorer/ɪkˈsplɔːrər/ Definition 1 of 2Pro Tip 1/3Historical Use The term is often associated with historical figures and ancient discoveries. Many school history books talk about explorers like Marco Polo. Pro Tip 2/3Curiosity Implication 'Explorer' implies a sense of curiosity and desire to learn by traveling. She has the spirit of an explorer, always seeking new experiences. Pro Tip 3/3Physical Exploration It typically involves physical travel, rather than metaphorical or virtual. He became an explorer traversing remote Amazonian jungles.