truest

adjective

(of a statement) Conforming to the actual state of reality or fact; factually correct.
This is a true story.
Conforming to a rule or pattern; exact; accurate.
a true copy; a true likeness of the original
Of the state in Boolean logic that indicates an affirmative or positive result.
"A and B" is true if and only if "A" is true and "B" is true.
Loyal, faithful.
He’s turned out to be a true friend.
Genuine; legitimate.
The true king has returned!
Used in the designation of group of species, or sometimes a single species, to indicate that it belongs to the clade its common name (which may be more broadly scoped in common speech) is restricted to in technical speech, or to distinguish it from a similar species, the latter of which may be called false.
true blusher (Amanita rubescens, as distinguished from the false blusher, Amanita pantherina)
(of an aim or missile in archery, shooting, golf etc.) Accurate; following a path toward the target.
Fair, unbiased, not loaded.
(Of a literary genre) based on actual historical events.
true crime

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