Difference between Unlikely and Probable

UNLIKELY vs PROBABLE: NOUN

Likely but not certain to be or become true or real
Apparently destined
Likely to happen or to be true.
Likely but uncertain; plausible.
Of or relating to opinions and actions in ethics and morals for whose lawfulness intrinsic reasons or extrinsic authority may be adduced.
Capable of being proved.
Rendering probable; supporting, or giving ground for, belief, but not demonstrating
A reasonable ground of presumption that a charge is, or my be, well founded.
(of an observation, or of the mean of a number), that within which, taken positively and negatively, there is an even chance that the real error shall lie. Thus, if 3″ is the probable error in a given case, the chances that the real error is greater than 3″ are equal to the chances that it is less. The probable error is computed from the observations made, and is used to express their degree of accuracy.
That which is within the bounds of probability; that which is not unnatural or preternatural; -- opposed to the marvelous.
Likely or most likely to be true.
Likely to happen.

Such as cannot be reasonably expected; improbable: as, an unlikely event.
Not holding out a prospect of success or of a desired result; likely to fail; unpromising.
Not calculated to inspire liking or affection; not likable or lovable.
In an unlikely manner; with no or little likelihood; improbably.

Synonyms Presumable, credible, reasonable.
Plausible; specious; colorable.
Rendering something likely, or showing it to be likely: as, probable evidence; a probable presumption.
Having more evidence for than against, or evidence which inclines the mind to belief, but leaves some room for doubt; likely.
Capable of being proved; provable.

Impossible, Reluctant, Plausible, Inconceivable, Doubtful, Likely, Outside, Remote, Last, Unbelievable, Supposed, Unconvincing, Farfetched, Implausible, Improbable

Conceivable, Possibility, Foreseeable, Likelihood, Potential, Probability, Possible, Unlikely, Doubtful, Equiprobable, Verisimilar, Presumed, Presumptive, Plausible, Likely

Impossible, Reluctant, Plausible, Inconceivable, Doubtful, Likely, Outside, Remote, Last, Unbelievable, Supposed, Unconvincing, Farfetched, Implausible, Improbable

Conceivable, Possibility, Foreseeable, Likelihood, Potential, Probability, Possible, Unlikely, Doubtful, Verisimilar, Equiprobable, Presumed, Presumptive, Plausible, Likely

Obviously, in my case it is EXTREMELY unlikely.
John Mark might not be unlikely at all.
Spain but I think this one is unlikely.
Discountable effects are those extremely unlikely to occur.
NBA comeback may seem unlikely at this point.
Russia investigation even though his election seemed unlikely.
It indicates the null hypothesis is very unlikely.
Just as people who borrow murder mysteries are unlikely to be murderers, so those seeking information about terrorism are unlikely to be terrorists.
When looking for solutions to problems they are unlikely to arbitrarily rule out any possibilities, even if they may seem unlikely to others.
Responses can be: very likely, somewhat likely, neither likely or unlikely, somewhat unlikely and very unlikely.

Probable cause to arrest: There is probable cause to arrest the suspect.
Probable cause: Theremust be probable cause to search the vehicle to activate the automobile exception.
NOTE: To make sure that probable cause remains, the execution of anticipatory warrants should ordinarily be reasonably contemporaneous with the arrival of probable cause.
The investigator will then analyze all of the collected evidence and issue a written determination of Probable Cause or No Probable Cause.
North Carolina determine probable cause, unless the offender admits one more the violations by the signing the Waiver Probable Cause Hearing.
Ordinarily, if police have probable cause foran arrest, they will also have probable cause to search for evidence ofthe alleged crime.
By testifying to theseinfluences, the expert aids the jury in determining whether an accurate witnessidentification is more probable or less probable.
Coefficient of Correlation Rank Correlation, Probable Error and Probable limits.
The above modes are listed from least probable to leak data between tenants to most probable.
No probable cause opine by Judge Advocate, probable cause for simple assault.