#1 get at v. reach or gain access to; "How does one access the attic in this house?"; "I cannot get to the T.V. antenna, even if I climb on the roof". wn #2 get at v. influence by corruption. wn #3 get at v. cause annoyance in; disturb, especially by minor irritations; "Mosquitoes buzzing in my ear really bothers me"; "It irritates me that she never closes the door after she leaves". wn