not legal; forbidden by law

against the law

that cannot be defended, justified or excused

inexcusable

that cannot be excused

not forgivable

an ability to use more nuclear bombs than would be necessary; exaggerated behaviour

extravagant; beyond normal limits

expensive

extravagant; beyond normal limits

too much

excessive, unnecessary

without provocation

not reasonable or right

without a suitable reason or cause

not reasonable or right