奇异 (qí yì) is an adjective meaning 'extraordinary', 'strange', or 'unusual'—often with a positive or intriguing connotation, suggesting something rare, fascinating, or beyond ordinary experience. The first character 奇 (qí) means 'strange', 'remarkable', or 'wonderful'; the second character 异 (yì) means 'different', 'unusual', or 'unlike others'. Together, they intensify each other to describe something that stands out vividly due to its uniqueness or rarity—not merely odd, but captivatingly distinctive.

This word frequently appears in descriptive writing about nature, wildlife, folklore, and scientific discovery. It’s common in nature documentaries, travel writing, and children’s books describing exotic animals or phenomena—e.g., a brightly colored frog with unusual markings or bioluminescent deep-sea creatures. While it can carry a neutral or slightly literary tone, it rarely implies negativity; for that, words like 怪异 (guài yì) are more appropriate.