grimace
noun
a facial expression, often ugly or contorted, that indicates disapproval, pain, etc.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Reports from the grounds at Liberty National are that Tiger has been grimacing after making swings on Wednesday.
From Golf Digest ● Aug. 7, 2019