1. in a way that is hard to find, catch, or remember; by avoiding or escaping notice or capture
2. in a way that is difficult to define, describe, or pin down; vaguely or mysteriously

Examples

• The suspect moved elusively through the crowded streets, avoiding the police.
• The meaning of the poem remained elusively just out of reach.
• Success in business can be elusively difficult to achieve.
• The answer to her question hung elusively in the air.
• He spoke elusively about his past, never giving a straight answer.
• The butterfly darted elusively from flower to flower.
• The truth was elusively hidden beneath layers of misinformation.