wrinkle

1 of 2noun

/ˈrɪŋkəl/

Forms:wrinkles

a small fold or line in a piece of cloth or in the skin, particularly the face

She smiled and a tiny wrinkle appeared at the corner of her eyes, showing the wisdom of her years.
His forehead was smooth, with no wrinkles, as he concentrated on the complex puzzle before him.
The wrinkles on his neck were more pronounced after a long day in the sun.
With each passing year, more wrinkles appeared on her face, but she embraced them as a reflection of her life experiences.
The wrinkle in her shirt was barely noticeable, but she quickly ironed it out before the meeting.

Synonyms:

a clever method of doing something (especially something new and different)

a minor difficulty