Cold treatment or poor reception toward someone; treating someone in an unfriendly or inhospitable way.
上司は彼を冷遇し、重要な仕事を任せない。
The boss treats him coldly and doesn't assign him important tasks.
過去の失敗が理由で会社から冷遇を受けたと彼は言った。
He said the company treated him coldly because of a past failure.
新しい社員が冷遇されがちだという噂がある。
There is a rumor that new employees tend to be treated coldly.