A small line or fold in something, especially fabric or the skin, typically as a result of aging or being compressed. noun
She noticed a wrinkle on her forehead when she looked in the mirror.
The shirt had several wrinkles after being packed in the suitcase.
A minor difficulty or complication in a plan or process. noun
There was a wrinkle in the plan that needed to be addressed before moving forward.
The project encountered a wrinkle when the main supplier went out of business.
To make or cause lines or folds in something, especially fabric or the skin. verb
She wrinkled her nose at the unpleasant smell.
He wrinkled the paper by accident while trying to fold it.