hand in glove

idiomPart ofglove

hand in glove — idiom

1. working very closely with someone, often in a secret, dishonest, or illegal way

1.idiom
Definition

working very closely with someone, often in a secret, dishonest, or illegal way

Example

The reporter discovered that the politician was hand in glove with several real estate developers.

The two companies worked hand in glove to fix the prices of their products.