Wiktionary
adv. (context simile English) very straight, travelling in a very straight trajectory.
Usage examples of "straight as an arrow".
The land was rolling, forested hills, thick with fir and leatherleaf and oak, but the path Hurin set led almost straight as an arrow, never wavering except to go around a few of the taller hills, where the way was clearly quicker around than over.
Between the two uprights a paved road stretched away, straight as an arrow shaft, and fifty feet across.
Amidst the dead, he saw one live tree, torn and scarred but still standing, a cedar, straight and tall, straight as an arrow shaft.
The only feature that was in common to both views was the black ribbon of road that went straight as an arrow to the mountains.
The north road stretched out ahead of her, straight as an arrow and wide as four carts.
The bird launched itself north and east, straight as an arrow toward Tar Valon.
The bird launched itself north and east, straight as an arrow 'toward Tar Valon.
Hardworking, straight as an arrow, he had prided himself on never taking a bribe.
Behind Artor ran a wide and deep furrow, straight as an arrow, heading directly for Gilbert.
The lead maw came, straight as an arrow, for the young priest, testing his nerve as he struggled to get his weapon readied a second time.