Subtlest

The photographer captured the subtlest expressions on the model's face.

The detective noticed the subtlest change in the suspect's facial expression during the interrogation.

The diplomat mastered the subtlest nuances of body language to navigate delicate negotiations.

She could sense the subtlest hint of sadness in his voice.

The perfume had the subtlest floral scent that lingered throughout the day.

The subtlest hint of sadness flickered across her eyes.

The writer employed the subtlest metaphors to convey complex emotions.

His subtlest observations allowed him to predict the stock market trends accurately.