This is the 4075th most frequent Japanese word.
フリ
A pretense, appearance, or manner; also refers to gestures or acting.
In this sentence, "フリ" (furi) is used to express pretension or acting as if something is the case without it being true.
彼は気づかないフリをした。
He pretended not to notice.
Here, "フリ" refers to gestures or movements, particularly those that are coordinated or planned as part of an action like dance.
彼女の踊りには自然なフリがあった。
Her dance had natural gestures.
"フリ" in this case denotes a guise or deception, suggesting that something is portrayed as real while being fabricated.