1. not easily understood or grasped by intuition; contrary to what one would naturally expect

Examples

• The software’s nonintuitive interface confused many users.
• Quantum physics contains many nonintuitive concepts that challenge common sense.
• The nonintuitive solution to the math problem surprised the students.
• Her nonintuitive approach to the project yielded unexpected results.
• The game’s controls were nonintuitive and difficult to master.
• Scientists often encounter nonintuitive phenomena in their research.