noun

a loud, unpleasant, and prolonged noise.

the fans made an awful din

uproar,racket,loud noise,confused noise,commotion,cacophony,babel,hubbub,tumult,fracas,clangour,crash,clatter,clash,shouting,yelling,screaming,caterwauling,babble,babbling,clamour,outcry,brouhaha,fuss,disturbance,ado,pandemonium,bedlam,chaos,confusion,stramash,hullabaloo,rumpus,ruction,row,vociferation,ululation,charivari

verb

make (someone) learn or remember an idea by constant repetition.

a runner-up, he dinned into them, was a loser

instil,drive,drum,hammer,drill,implant,ingrain,inculcate,teach over and over again,indoctrinate,brainwash