I. ˈ ̷ ̷| ̷ ̷ adverb
Etymology: Middle English streght way, from streght straight + way
1. : in a direct course : directly
his ashes invariably fell … either straightway or down one of the letter pages — J.D.Salinger
2. : without delay or hesitation : forthwith
fell straightway to gambling
straightway the clouds began to drift apart
II. adjective
Etymology: straight (II) + way
: having or affording a straight way ; especially : allowing something (as a fluid) to pass directly
straightway valve
straightway flues