n. 25B6; noun
they lodged a complaint : PROTEST, objection, grievance, grouse, cavil, quibble, grumble; charge, accusation, criticism; informal beef, gripe, whinge; Law, Brit. plaint.
little cause for complaint : PROTESTATION, objection, exception, grievance, grumbling; criticism, fault-finding, condemnation, disapproval, dissatisfaction; informal whingeing, grousing, bellyaching, nit-picking.
a kidney complaint : DISORDER, disease, infection, affliction, illness, ailment, sickness; condition, problem, upset, trouble; informal bug, virus.