Definitions
1.AdjectiveConforming to the actual state of reality or fact; factually correct."This is a true story.; True, I have only read part of the book, but I like it so far."
2.AdjectiveAs an ellipsis of "(while) it is true (that)", used to start a sentence"True, I have only read part of the book, but I like it so far."
3.AdjectiveConforming to a rule or pattern; exact; accurate."a true copy; a true likeness of the original"
4.AdjectiveOf 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."
5.AdjectiveLoyal, faithful."He’s turned out to be a true friend."
6.AdjectiveGenuine; legitimate; valid; sensu stricto."The true king has returned!; This is true Parmesan cheese — it is from the Parma region.; true sparrows (Passer); true spiders; true blusher (Amanita rubescens, as distinguished from the false blusher, Amanita pantherina); The true bugs are those of the order Hemiptera; and, by some lights, most truly those of the suborder Heteroptera."
7.AdjectiveUsed 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 sparrows (Passer); true spiders; true blusher (Amanita rubescens, as distinguished from the false blusher, Amanita pantherina); The true bugs are those of the order Hemiptera; and, by some lights, most truly those of the suborder Heteroptera."
8.AdjectiveAccurate; following a path toward the target.
9.AdjectiveCorrectly aligned or calibrated, without deviation."Is my bike wheel true? It feels unsteady."
10.AdjectiveFair, unbiased, not loaded.
11.Adjectivebased on actual historical events."true crime"
12.AdverbAccurately; in alignment."This gun shoots true."
13.AdverbTruthfully.
14.NounThe state of being in alignment.
15.NounTruth.
16.VerbTo straighten (something that is supposed to be straight)."He trued the spokes of the bicycle wheel."
17.VerbTo make even, level, symmetrical, or accurate, align; adjust (often followed by up)."We spent all night truing up the report."
18.NounA pledge or truce.