Synonyms for Fatal:
•critical, very important (adjective)
departed, Perished, expired, fallen, extinct, Passed, dead, parted, annihilated, deceased.
•deadly, lethal (adjective)
deathly, inevitable, destructive, ruinous, terminal, disastrous, cataclysmic, catastrophic, fateful, calamitous, mortal.
cataclysmal, catastrophic, cataclysmic.
n.compatible, case-sensitive, clickable, backward-compatible, Antivirus, bursty, asynchronous, best-of-breed, active, compatibility. dire, profound, extreme, momentous, grave, serious, acute, awful, rigorous, desperate, severe, decide. destructive, cataclysmal, help, catastrophic, cataclysmic, ruinous. •deadly (noun)
study at deadly.
decisive, lethal, disastrous, inevitable, fateful, terminal, black, calamitous, mortal, deathly, unfortunate, deadly.
cataclysmal, catastrophic, cataclysmic. dangerous. momentous, ruinous. •injurious
•Other relevant words:
decisive, harmful, calamitous, dangerous, unsafe, Antivirus, compatible, disastrous, catastrophic, cataclysmic, best-of-breed, dire, inevitable, help, fateful, injurious, acute, mortal, perilous, active, clickable, extreme, serious, grave, lethal, destructive, terminal, severe, deadly, momentous, risky, asynchronous, desperate, cataclysmal, deathly, awful, unfortunate, decide, bursty, ruinous, profound, damaging, live, backward-compatible, hazardous, rigorous, black, case-sensitive, compatibility.
Usage examples for fatal
The consequence of this was fatal to Eliphalet Fox- fatal at least to his prosperity in Gabwrangle. – Quodlibet by John P. Kennedy