1. a person who studies nature, especially plants and animals in their natural environment
2. a person who believes in naturalism, the philosophical view that everything can be explained by natural causes
Usage: philosophy

Examples

• The naturalist spent hours observing bird behavior in the forest.
• Charles Darwin was a famous naturalist who developed the theory of evolution.
• She worked as a naturalist at the national park, leading nature walks for visitors.
• The naturalist collected specimens of rare plants for scientific study.
• As a naturalist, he rejected supernatural explanations for natural phenomena.
• The young naturalist kept detailed journals of her wildlife observations.