1. to disconnect or separate oneself from someone or something
Usage: often used reflexively
2. to regard or treat as separate or unconnected

Examples

• The company tried to disassociate itself from the scandal.
• She decided to disassociate from her former business partners.
• He found it difficult to disassociate his personal feelings from his professional duties.
• The organization disassociated itself from the controversial statement.
• They chose to disassociate the brand from its previous image.
• The politician attempted to disassociate himself from the unpopular policy.