Difference between Worst and Pessimal

WORST vs PESSIMAL: NOUN

Something that is worst.
The least favorable outcome
The greatest damage or wickedness of which one is capable
That which is most evil or bad; the most bad, severe, aggravated, or calamitous thing, part, time, or state: usually with the: as, in the worst of the storm; to get the worst of a contest; to see a thing at its worst; to do one's worst.
In the most evil, severe, or undesirable state; at the greatest disadvantage.
That which is most bad or evil; the most severe, pernicious, calamitous, or wicked state or degree.
The weakest effort or poorest achievement one is capable of

To gain the advantage over; defeat.
To gain advantage over, in contest or competition; to get the better of; to defeat; to overthrow; to discomfit.

In a manner or to a degree the extreme of bad or evil; most or least (according to the sense of the verb).
The superlative of bad, evil, or ill; bad in the highest degree, whether morally, physically, financially, or otherwise: as, the worst sinner; the worst disease; the worst evil that can befall a state or an individual.
To get the advantage over in a contest; defeat; overthrow.
Synonyms To beat, discomfit, foil, overcome.
To grow worse; deteriorate; worsen.
Bad, evil, or pernicious, in the highest degree, whether in a physical or moral sense. See worse.
(idiom) (get/have) To suffer a defeat or disadvantage.
(idiom) (if (the) worst comes to (the) worst) If the very worst thing happens.
(idiom) (in the worst way) Very much; a great deal.
(idiom) (at (the) worst) Under the most negative circumstances, estimation, or interpretation.

Pessimal, Most wicked, Most undesirable, Most evil, Most unsuitable, Last place, Most unattractive, Whip, Pip, Mop up, Rack up, Bottom, Last, Poorest, Lowest

Wooden leg, Cynical, Dumpish, Foreholding, Depriment, Health problem, Hopeless, Despairful, Baddish, Bad, Power failure, Pessimistic, Pessimize, Worst, Pessimum

Weakest, Pessimum, Pessimal, Most wicked, Most unsuitable, Most undesirable, Most unattractive, Most evil, Last place, Whip, Mop up, Bottom, Last, Poorest, Lowest

Wooden leg, Cynical, Dumpish, Foreholding, Depriment, Health problem, Hopeless, Despairful, Baddish, Bad, Power failure, Pessimistic, Pessimize, Worst, Pessimum

But it is wrong to assume the worst just because the worst is so easy to assume.
Because of our humanity, there are simply no objective means to limit the death penalty to the worst of the worst.
The government hoped for the best but failed to prepare for the worst, and now the worst is happening.
Pleaprimary regimes violate the central tenet of Furmanthe death penalty is reserved for the worst of the worst.
As always, those executed are not necessarily the worst of the worst but the least capable of defending themselves.
Imposing the death cases that are not the worst of the worst invites unreliability the crimes resulting capital verdicts aggravated.
The cheapest could be the worst coverage with the worst company support and claims while being quite affordable.
And liars like Stanard are the worst of the worst.
WORST customer service and WORST car manufaturing I have ever experienced.
This hopeless, bleak experience should be reserved only for the worst of the worst of the worst.