truest

adjective truer, truest

1. faithful; loyal; constant
2. reliable; certain: a true indication
3. in accordance with fact; that agrees with reality; not false
4. 1. conforming to an original, pattern, rule, standard, etc.
   2. exact; accurate; right; correct
5. rightful; lawful; legitimate: the true heirs
6. accurately fitted, placed, or shaped: a door that is not true to the frame
7. 1. real; genuine; authentic: a true diamond
   2. conforming to the ideal character or having all the basic characteristics of such; rightly so called: a true scholar
8. determined by the poles of the earth's axis, not by the earth's magnetic poles: true north
9. Archaic honest, virtuous, or truthful

Origin: ME treue < OE treowe < treow, faith, akin to Ger treu < IE *drew-, var. of base *deru- > tree: basic sense “firm (as a tree)”

adverb truer, truest

1. in a true manner; truly, truthfully, accurately, etc.
2. Biol. with the same inherited trait or traits as a parent; without variation: to breed true

transitive verb trued, truing or trueing

noun