KEY: Fatal.
SYN: Calamitous, deadly, destructive, mortal, lethal.
ANT: Beneficial, wholesome, nutritious, vitalizing, salubrious, restorative, slight, superficial, harmless.
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KEY: Fate.
SYN: Necessity, destiny, lot, end, fortune, doom.
ANT: Will, choice, decision, freedom, independence.
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KEY: Fathom.
SYN: Gauge, pierce, measure, sound, probe.