1. mysterious, puzzling, or difficult to understand or interpret
Usage: formal or literary; variant of 'enigmatic'

Examples

• The artist's enigmatical paintings left viewers wondering about their true meaning.
• She gave an enigmatical smile that revealed nothing of her thoughts.
• The ancient text contained enigmatical symbols that scholars struggled to decode.
• His enigmatical response only deepened the mystery.
• The enigmatical nature of the crime made it difficult for detectives to solve.
• The poet's enigmatical verses have been interpreted in countless ways over the centuries.