Difference between Unreasonable and Counterintuitive

UNREASONABLE vs COUNTERINTUITIVE: ADJECTIVE

Not showing good judgment
Synonyms Absurd, Silly, Foolish, etc. (see absurd), obstinate, wrong-headed, extravagant, unfair, unjust, extortionate.
Inconvenient.
Not listening to or acting according to reason; not guided by reason; not influenced by reason.
Not endowed with reason; irrational.
Exceeding the bounds of reason; beyond what is reasonable or moderate; exorbitant; immoderate: as, an unreasonable price.
Not reasonable or agreeable to reason; irrational.

Senseless, Incongruous, Silly, Indefensible, Inordinate, Undue, Foolish, Untenable, Excessive, Absurd, Irrational, Illogical, Unrealistic, Unjustified, Unwarranted

Ludicrous, Disingenuous, Oxymoronic, Simplistic, Counterproductive, Farfetched, Plausible, Implausible, Paradoxical, Nonsense, Unreasonable, Nonsensical, Preposterous, Illogical, Absurd

Senseless, Incongruous, Silly, Indefensible, Inordinate, Undue, Foolish, Untenable, Excessive, Absurd, Irrational, Illogical, Unrealistic, Unjustified, Unwarranted

Ludicrous, Disingenuous, Oxymoronic, Simplistic, Counterproductive, Farfetched, Plausible, Implausible, Paradoxical, Nonsense, Unreasonable, Nonsensical, Preposterous, Illogical, Absurd

Disarm unreasonable and difficult behavior when correctly used.
Therefore all progress depends on the unreasonable man.
An attorney shall not make an agreement for, charge, or collect an unreasonable fee or an unreasonable amount for expenses.
It would, for example be unreasonable to insist on compliance with the clause if it was unreasonable or impossible for the person to comply.
Whether a behaviour is unreasonable can depend on whether a reasonable person might see the behaviour as unreasonable in the circumstances.
Charter arguments, such as unreasonable delay, the right to be secure against unreasonable search and seizure, and the right to counsel.
You can definitely sue for unreasonable delays if you can prove that the delays are, in fact, unreasonable.
The traveller complained that the arrest was unreasonable and that various actions of the involved police officers were unreasonable.
An unreasonable comprehensive doctrine is unreasonable in the sense that it is incompatible with the duty of civility.
The Right Against Unreasonable Search and Seizure The Fourth Amendment protects persons from unreasonable searches and seizures.

The results obtained in our sample are counterintuitive.
It is confusing, counterintuitive, messy and extremely overcrowded.
The idea behind conjoint measurement is somewhat counterintuitive.
This one seems counterintuitive, but stay with us.
That might sound counterintuitive but let me explain.
Our results provide several interesting and counterintuitive insights.
Properties with only setters are confusing and counterintuitive.
This might sound counterintuitive but hear me out.
Hierro made a move that outwardly looked counterintuitive.
Norenzayan and Atran support the hypothesis that minimally counterintuitive narratives are more memorable, and that successful narratives are minimally counterintuitive.