Cunning or deceiving, not straightforward or honest, not frank.
Roundabout, circuitous, deviating from the direct or ordinary route.
Serious rather than comedic.
Direct, undeviating.
Describing the bat as held so as not to incline to either side; on, or near a line running between the two wickets.
Making no exceptions or deviations in one's support of the organization and candidates of a political party.
Occurring between people of opposite sex (sometimes, but not always, specifically between heterosexual people).
Strait; narrow.
Conventional; mainstream; socially acceptable.
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 as such throughout that course (a course which is straight, a straight curve, is a geodesic).
Not plus size; thin.
In proper order; as it should be.
Heterosexual.
Containing the names of all the regularly nominated candidates of a single party and no others.
Related to conventional sexual intercourse.
Free from dishonesty; honest, law-abiding.
Not crooked or bent; having a constant direction throughout its length.
Perfectly horizontal or vertical; not diagonal or oblique.
In a row, in unbroken sequence; consecutive.
Not using alcohol, drugs, etc.
Describing the sets in a match of which the winner did not lose a single set.
Direct in communication; unevasive, straightforward.
To straighten.
A chiropractor who relies solely on spinal adjustment, with no other treatments.
Something that is not crooked or bent such as a part of a road or track.
Five cards in sequence.
A cigarette, particularly one containing tobacco instead of marijuana.
A heterosexual.
A normal person; someone in mainstream society.
Directly; without pause, delay or detour.
Continuously; without interruption or pause.
Of speech or information, without prevarication or holding back; directly; straightforwardly; plainly.
Of a direction relative to the subject, precisely; as if following a direct line.