straight arrowstraight arrow
Informal a person who is straight-arrow
Informal proper, righteous, conscientious, etc.: often used with connotations of conservatism, stodginess, dullness, or the like
Origin of straight-arrowfrom Straight Arrow, heroic title character in 1950s radio serial
- A morally upright person.
- A person regarded as being extremely conventional.
Origin of straight arrowFrom the phrase straight as an arrow