fatal
[adjective]
Synonyms:
- lethal, deadly, final, incurable, killing, malignant, mortal, terminal
- ruinous, baleful, baneful, calamitous, catastrophic, disastrous

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Contrasted words: advantageous, beneficial, profitable, auspicious, benign, favorable, propitious
Related Words: baneful, pernicious, baleful, malefic, maleficent, malign, sinister, ill-fated, ill-starred, unlucky

[TahlilGaran] English Synonym Dictionary ▲

fa‧tal /ˈfeɪtl/ adjective
[Date: 1300-1400; Language: French; Origin: Latin fatalis, from fatum; ⇒ fate]

1. resulting in someone’s death:
potentially fatal diseases
fatal accident/illness/injury etc
a fatal climbing accident
If it is not treated correctly, the condition can prove fatal (=be fatal).

2. having a very bad effect, especially making someone fail or stop what they are doing
fatal to
Disunity finally proved fatal to the rebels’ cause.
There was one fatal flaw (=serious weakness) in his argument.
His presidential hopes suffered a fatal blow in New Hampshire.
fatal mistake/error
Telling your employees they’re unimportant is a fatal error.

[TahlilGaran] Dictionary of Contemporary English ▲

fatal
adj.
I. 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

[TahlilGaran] Collocations Dictionary ▲

fatal
II. 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.

[TahlilGaran] Collocations Dictionary ▲