: The distraught heroine murmured to the straight-arrow hero
noun phraseA person who observes the social norms of decency, honesty, legality, heterosexuality, etc; a nondeviant: It turns out the boy is a straight arrow underneath his finery/ This is a supervisory job that ordinarily is won by the group Straight Arrow, the Eagle Scout type
[1969+; fr an archetypical upright Native American brave named Straight Arrow, mythically associated with a similar Caucasian who is a straight shooter]