treating someone cruelly and violently, especially in a physical or psychological way

offensivo
having tones of humiliation, insult, disrespect, or disapproval

peiorativo, dispregiativo

providing clear and final evidence or proof, leaving no doubt or uncertainty

conclusivo, decisivo

capable of producing a lot of profit or earning a great amount of money for someone

lucrativo, redditizio

providing useful information or guidance, often with the intention of teaching or educating

istruttivo, educativo

behaving in a way to avoid being seen or noticed, especially when feeling guilty

furtivo, segreto

not firmly established or decided, with the possibility of changes in the future

provvisorio
having the ability to generate a large amount of output or results

produttivo, efficace

leading to the desired goal or result by providing the right conditions

favorevole, propizio

