rightest
right-est
adjective
Most accurate, correct, or morally sound; furthest from error or impropriety.
"Her answer was the rightest."
adjective
Holding the most conservative political views; furthest on the political right wing.
"He represents the rightest faction."
Thesaurus
Synonyms: right, straight, word-perfect, precise, correct, accurate, exact, letter-perfect, justly, right wing, perpendicular, appropriate
Antonyms: center, centre, falsify, improperly, in part, incorrect, incorrectly, left, part, partially, partly, wrong