be objective to

be obedient to be obliged to be obliged to do sth be obliged to sb be oblivious of be oblivious to be obscured by be obsequious to be obsessed with be occupied in be occupied with be of a calm temper

anti-systems anti-takeover anti-takeover defense anti-tank anti-tank destroyer anti-tank gun anti-tarnish paper anti-tarnishing agent anti-technology anti-termite agent