1. Proceeding without interruption in a straight course or line; not deviating or swerving: a direct route.
2. Straightforward and candid; frank: a direct response.
3. Having no intervening persons, conditions, or agencies; immediate: direct contact; direct sunlight.
4. Effected by action of the voters, rather than through elected representatives or delegates: direct elections.
5. Being of unbroken descent; lineal: a direct descendant of the monarch.
6. Consisting of the exact words of the writer or speaker: a direct quotation.
7. Lacking compromising or mitigating elements; absolute: direct opposites.
8. Mathematics. Varying in the same manner as another quantity, especially increasing if another quantity increases or decreasing if it decreases.
9. Astronomy. Designating west-to-east motion of a planet in the same direction as the sun's movement against the stars.
direct adv.