1.Definition: (of a current) flowing in one direction only
2.Definition: being an immediate result or consequence
"A direct result of the accident"
3.Definition: direct in spatial dimensions; proceeding without deviation or interruption; straight and short
"A direct route", "A direct flight", "A direct hit"
4.Definition: having no intervening persons, agents, conditions
"In direct sunlight", "In direct contact with the voters", "Direct exposure to the disease", "A direct link", "The direct cause of the accident", "Direct vote"
5.Definition: in a straight unbroken line of descent from parent to child
"A direct descendant of the king", "Direct heredity"
6.Definition: in precisely the same words used by a writer or speaker
"A direct quotation"
7.Definition: lacking compromising or mitigating elements; exact
"The direct opposite"
8.Definition: moving from west to east on the celestial sphere; or--for planets--around the sun in the same direction as the Earth
9.Definition: similar in nature or effect or relation to another quantity
"A term is in direct proportion to another term if it increases (or decreases) as the other increases (or decreases)"
10.Definition: straightforward in means or manner or behavior or language or action
"A direct question", "A direct response", "A direct approach"