излишне

1) General subject: extravagantly, overmuch, superfluously, unduly, unnecessarily, it is a pity (If he be a mere boor it is a pity to hold any argument with him.), overly (напр.: their efforts are largely wasted in this horribly contrived and overly self-conscious film), inordinately, unconscionably

2) Mathematics: it is unnecessary

3) Jargon: socking

4) Makarov: above measure, beyond measure, too