trea·son·a·ble 
(trēzə-nə-bəl)
(trēzə-nə-bəl)adj.
Relating to, constituting, or involving treason: Espionage is a treasonable act.
treason·a·bly adv.
- straightforwardness
- straightforwards
- straight from the shoulder
- straight-from-the-shoulder
- straightjacket
- straightjacket
- straight-laced
- straight-laced
- straight-line
- straightly
- straight man
- straightness
- straight off
- straight-out
- straight poker
- straight razor
- straight shooter
- straight-shooting
- straight ticket
- straight up
- straightway
- strain
- strain
- strain at stool
- strained