1. In a manner that cannot be divided or separated; as an indivisible whole.
Usage: formal; legal/archaic

Examples

• The estate was held impartibly by the eldest son under the law of primogeniture.
• The two properties were joined impartibly, forming a single unified holding.
• Medieval inheritance laws sometimes required land to pass impartibly to one heir.
• The rights and duties were bound impartibly together in the contract.