made null and void (verb) override/overrule: cancel, reverse a decision
Sinonime: acute, all-important, climacteric,
conclusive,
consequential, crucial,
dangerous, deciding, decisive, desperate, determinative, dire, exceptive,
grave,
hairy*,
hazardous, high-priority,
integral,
momentous,
perilous,
pivotal,
precarious,
pressing,
risky,
serious, significant,
strategic,
urgent,
vital, weighty
Antonime: trivial, uncritical,
unimportant