1. the quality or state of being true; accuracy or correctness
2. faithfulness or loyalty
3. the quality of being straight, level, or properly aligned
Usage: technical

Examples

• The trueness of his statement was confirmed by multiple witnesses.
• She questioned the trueness of the historical account.
• His trueness to his friends never wavered, even in difficult times.
• The trueness of her love was evident in her actions.
• The carpenter checked the trueness of the wall with a level.
• The trueness of the wheel’s alignment affected the car’s performance.
• We admired the trueness of his character and principles.