1. so clear or obvious that it cannot be confused with anything else

Examples

• The smell of fresh bread was unmistakable.
• She had an unmistakable accent that revealed her Southern roots.
• The sound of thunder was unmistakable in the distance.
• His unmistakable laugh could be heard across the room.
• The painting bore the unmistakable style of Van Gogh.
• There was an unmistakable look of disappointment on her face.