definition of
low-level

[1] #1 low-level s. not intense; "low-level radiation". wn

[2] #2 low-level a. [subordinate] lower in rank or importance. wn

[3] #3 low-level s. at a low level in rank or importance; "a low-level job"; "low-level discussions". wn

[4] #4 low-level s. [low-altitude] occurring at a relatively low altitude; "a low-level strafing run". wn