Not crooked or bent; having a constant direction throughout its length.
(of a path, trajectory, etc.) Direct, undeviating.
Perfectly horizontal or vertical; not diagonal or oblique.
Describing the bat as held so as not to incline to either side; on, or near a line running between the two wickets.
Direct in communication; unevasive, straightforward.
Free from dishonesty; honest, law-abiding.
Serious rather than comedic.
In proper order; as it should be.
In a row, in unbroken sequence; consecutive.
After four straight wins, Mudchester United are top of the league.
Describing the sets in a match of which the winner did not lose a single set.
Making no exceptions or deviations in one's support of the organization and candidates of a political party.
a straight Democrat
Containing the names of all the regularly nominated candidates of a party and no others.
a straight ballot
Conventional, mainstream, socially acceptable.
Heterosexual, attracted to people of the opposite sex.
(of a romantic or sexual relation) Occurring between people of opposite sex.
straight marriage, sex, relationship
Not using alcohol, drugs, etc.
Not plus size; thin.
shopping at a straight-sized store
Strait; narrow.
Stretched out; fully extended.
Thorough; utter; unqualified.
Of spirits: undiluted, unmixed; neat.
Concerning the property allowing the parallel-transport of vectors along a course that keeps tangent vectors remain tangent vectors throughout that course (a course which is straight, a straight curve, is a geodesic).
A cigarette, particularly one containing tobacco instead of marijuana. Also straight.