Antonym: indirectly. Similar words: direct, correctly, director, in all directions, direct investment, strictly, recently, dirt. Meaning: [dɪ'rektlɪ] 
adv. 1. without deviation 2. without anyone or anything intervening 3. without delay or hesitation; with no time intervening 4. in a forthright manner; candidly or frankly.
adv. 1. without deviation 2. without anyone or anything intervening 3. without delay or hesitation; with no time intervening 4. in a forthright manner; candidly or frankly. 211. A growing body of evidence shows that alcohol molecules directly affect the ability of ion channels to open or close.