lying about one's age; age fabrication
Refers to intentionally misrepresenting one's age, often in contexts like online profiles, job applications, or social settings. Compare with 年齢詐称, which is more formal and often used in legal or official contexts.
See also: 年齢詐称
He lied about his age to appear younger.
Age fabrication is common on the internet.
年齢詐称 is a more formal term often used in legal or official contexts, while 年齢詐欺 is a broader, more colloquial term for lying about one's age.
Compound of 年齢 (age) and 詐欺 (fraud, deception).