Offensive – 1. an attack on someone or something 2. causing upset
He pushed the cat off the fence with a sieve (offensive) and now it was upset, and launched an attack on him.
Examples of offensive in a sentence (An attack on someone or something)
The army unit mounted a night-time offensive and caught the enemy off-guard.
The offensive on the city lasted a whole week.
He launched a verbal offensive on his office colleagues.
Examples of offensive in a sentence (Causing upset)
She found it offensive that he failed to apologise for arriving half an hour late for their date.
He didn't care who he was offensive to — he managed to insult everyone at the party.
I find your choice of words most offensive.