Not crooked, curly, or bent; having a constant direction throughout its length. • 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. • Having all cylinders in a single straight line; in-line. • 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. • 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. • Containing the names of all the regularly nominated candidates of a single party and no others. • Conventional; mainstream; socially acceptable. • Heterosexual. • Occurring between people of the opposite sex (sometimes, but not always, specifically between heterosexual people). • Related to conventional sexual intercourse. • Not using alcohol, drugs, etc. • Not plus size; thin. • Strait; narrow. • Stretched out; fully extended. • Thorough; utter; unqualified. • Of spirits: undiluted, unmixed; neat. • Sent at a full rate for immediate delivery; being a fast telegram. • Concerning the property allowing the parallel transport of vectors along a course that keeps tangent vectors remain as such throughout that course (a course which is straight, a straight curve, is a geodesic). • OK, all right, fine; in a good state or situation. • On good terms.