fatal adj.
1 causing death
VERBS be, prove
ADV. near He has not driven since his near fatal crash earlier this year. | always, invariably, universally | often, sometimes, usually | rarely | potentially The disease is potentially fatal.
PREP. for This kind of accident is almost always fatal for the pilot. | to a chemical which is invariably fatal to small mammals
2 causing serious trouble
VERBS be, prove
ADV. absolutely | ultimately Her disregard of this advice was ultimately fatal.
PREP. to Tax increases have proved fatal to the nation's business community.
You can also check other dicts: fatal (English, 中文解释 ), wordnet sense, Collins Definition