Old English forðriht "direct, plain;" see forth + right (adj.). Compare downright. Related: Forthrightly; forthrightness. As an adverb, Old English forðrihte "straightway, at once; plainly."
a forthright approach to the problem
forthright criticism
fort
Fort Sumter
forte
forth
forthcoming
forthright
forthwith
forties
fortieth
fortification
fortify