trueness
trueness Lexical Profile
trueness Game Scores & Validity
• noun
The quality or state of being accurate, genuine, or faithful to fact, a standard, or an allegiance.
"The historian praised the trueness of the documentary's depiction of nineteenth-century rural life."
Exactness of physical alignment, levelness, or conformity to a required geometric shape, or (in metrology) the closeness of agreement between the average of a large series of measurements and an accepted reference value.
"The carpenter sighted down the length of the timber to check the trueness of the edge before planing."
Word Nuance & Usage
In everyday contexts, 'truth' is far more common for general veracity, whereas 'trueness' is preferred in technical metrology (where it denotes the closeness of a mean measurement to a reference value, distinct from 'precision') or to describe physical alignment and mechanical straightness.