straight
n.n. not having any curves or bends. You use this to describe a line or a path that goes in one direction without turning.
n. extending in one direction without curves, bends, or angles. Frequently used to describe physical alignment or directness of movement.
The road is straight for several miles.
Use a ruler to ensure the line you draw is perfectly straight and connects both points accurately.
The architect insisted on straight, clean lines to emphasize the building's modern aesthetic and to contrast with the organic shapes of the surrounding garden.
From Middle English streight, streght, streiȝt, the past participle of strecchen (“to stretch”), from Old English streċċan (past participle ġestreaht, ġestreht), from Proto-West Germanic *strakkjan (“to stretch”). Cognate with Scots straicht (“straight”), Dutch gestrekt (“stretched”), German gestreckt (“stretched”), Danish strakt (“stretched”), Faroese and Norn strekti (“stretched”), Icelandic strekkti (“stretched”), Norwegian strekte (“stretched”), Swedish sträckte (“stretched”). Doublet of straught. Equivalent to stretch + -ed. In some senses, conflated with strait (“narrow, constricted”), which is from Latin strictus via Old French estreit.
Can function as both an adjective and an adverb without changing form.
He ran straightly to the doorHe ran straight to the doorStraight acts as its own adverb; the form 'straightly' is rare and usually considered incorrect in modern English.