Difference between Fatal and Severe

FATAL vs SEVERE: NOUN

Sober, plain in appearance, austere.
Strict or harsh.
Very bad or intense.
Difficult to be endured; exact; critical; rigorous.
Rigidly methodical, or adherent to rule or principle; exactly conformed to a standard; not allowing or employing unneccessary ornament, amplification, etc.; strict; -- said of style, argument, etc.
Extremely difficult to perform or endure; trying.
Very dangerous or harmful; grave or grievous.
Causing great discomfort, damage, or distress.
Extremely plain in substance or style.
Unsparing and uncompromising in discipline or judgment
Marked by or requiring strict adherence to rigorous standards or high principles.
Unsparing, harsh, or strict, as in treatment of others.
Causing fear or anxiety by threatening great harm
Very strong or vigorous
Severely simple
Very bad in degree or extent
Intensely or extremely bad or unpleasant in degree or quality
Stern or forbidding, as in manner or appearance.

Doomed; cursed.
Causing or attended with death or destruction; deadly; mortal; destructive; disastrous; ruinous: as, a fatal accident.
Foreboding or associated with disaster or death; ominous.
Fraught with fate; influencing or deciding fate; fateful.
1. Proceeding from or decreed by fate or destiny; inevitable; fated.
Having momentous consequences
Predetermined
Controlled or decreed by fate
Bringing ruin
Of decisive importance

Serious or earnest in feeling, manner, or appearance; without levity; sedate; grave; austere; not light, lively, or cheerful.
Very strict in judgment, discipline, or ac tion; not mild or indulgent; rigorous; harsh; rigid; merciless: as, severe criticism; severe punishment.
Sharp; afflictive; distressing; violent; extreme: as, severe pain, anguish, or torture; severe cold; a severe winter.
Difficult to be endured; trying; critical; rigorous: as, a severe test; a severe examination.
Synonyms and Harsh, Strict, etc. (see austere), unrelenting.
Exact, accurate, unadorned, chaste.
Cutting, keen, biting.
Strictly regulated by rule or principle; exactly conforming to a standard; rigidly methodical; hence, in lit., art, etc., avoiding, or not exhibiting or permitting, unnecessary or florid ornament, amplification, or the like; restrained; not luxuriant; always keeping measure; pure in line and form; chaste in conception; subordinated to a high ideal: as, a severe style of writing; the severest style of Greek architecture; the severe school of German music.

Death, Deaths, Fatality, Black, Terminal, Mortal, Inevitable, Unfortunate, Decisive, Deathly, Calamitous, Disastrous, Fateful, Lethal, Deadly

Spartan, Hard, Austere, Wicked, Strong, Grave, Strict, Stark, Critical, Bad, Intense, Dangerous, Terrible, Grievous, Serious

Killed, Death, Deaths, Black, Terminal, Mortal, Inevitable, Unfortunate, Decisive, Deathly, Calamitous, Disastrous, Fateful, Lethal, Deadly

Spartan, Hard, Austere, Wicked, Strong, Grave, Strict, Stark, Critical, Bad, Intense, Dangerous, Terrible, Grievous, Serious

Higher total scores indicate more severe depressive symptoms.
The patient will be monitored for severe diarrhea.
He diagnosed Respondent with alcohol use disorder, severe; other hallucinogen disorder severe significant use and diversion of ketamine; and unspecified depressive disorder.
Less severe effects maybe considered analytically in addition to this, but at a minimum, the most severe effects are to be considered.
During times of severe weather, these repeaters relay reports of severe weather directly to the local National Weather Service forecast office.
Criteria used by the authors to identify IBS patients with severe symptoms, and proportion of severe subjects by IBS subtype.
Withdrawal can produce cramping, severe muscle aches, vomiting, diarrhea, fever and runny nose, sweating and cold sweats, and severe insomnia.
Our exclusion criteria were severe male factor, severe endometriosis, hydro salpinx, and the history of any endocrine disorders except PCOS.
It is also pertinent to remember that severe acidosis may not always correlate with severe dehydration.
Aaron Gillies was diagnosed with severe depression and shortly after that, severe anxiety.