Difference between Inappropriate and Questionable

INAPPROPRIATE vs QUESTIONABLE: ADJECTIVE

Not suitable for a particular occasion etc
Not in keeping with what is correct or proper
Unsuitable or improper.
Not instrument (to); not appropriate; unbecoming; unsuitable; not specially fitted; -- followed by to or for.
Not appropriate; not suitable for the situation, time, and/or place.
Not conforming with accepted standards of propriety or taste; undesirable

Subject to question
Able to be refuted
Not yet determined or specified.
Of dubious morality or respectability.
Admitting of being questioned; inviting, or seeming to invite, inquiry.
Liable to question; subject to be doubted or called in question; problematical; doubtful; suspicious.
Problematic; open to doubt or challenge
Of dubious respectability or morality
Open to doubt or challenge; problematic.

Not appropriate or pertinent; not proper; unsuitable: as, inappropriate remarks.

Liable to question; suspicious; doubtful; uncertain; disputable: as, the deed is of questionable authority; his veracity is questionable.
Capable of being questioned or inquired of; inviting or seeming to invite inquiry or conversation.

Unethical, Abusive, Unacceptable, Indecent, Appropriate, Objectionable, Out or keeping, Unbefitting, Wrong, Incompatible, Incongruous, Incorrect, Unfitting, Unsuitable, Improper

Supposed, Apocryphal, Deniable, Suspect, Refutable, Alleged, Equivocal, Suspicious, Fishy, Problematical, Shady, Problematic, Debatable, Doubtful, Dubious

Unethical, Abusive, Unacceptable, Indecent, Appropriate, Objectionable, Out or keeping, Unbefitting, Wrong, Incompatible, Incongruous, Incorrect, Unfitting, Unsuitable, Improper

Supposed, Apocryphal, Deniable, Suspect, Refutable, Alleged, Equivocal, Suspicious, Fishy, Problematical, Shady, Problematic, Debatable, Doubtful, Dubious

Therefore, the court found, front pay was inappropriate.
These gatherings are clearly inappropriate for our village.
Or, they take their clothes off at inappropriate times or places, or they dress inappropriate for the weather.
The goal is to reduce inappropriate prescribing of targeted drugs, for example, inappropriate antibiotics and less effective vasodilators and analgesics.
Have a policy prohibiting the access of pornographic or inappropriate websites and consider software that blocks inappropriate websites.
Having unrestricted access to information and peocessing inappropriate content and making inappropriate contact with others.
Inappropriate Public Displays of Affection between students including holding, kissing, inappropriate touching, etc, are not permitted.
Examples of inappropriate conduct include erotic dancing or inappropriate touching.
What is inappropriate in yourclassroom should be deemed inappropriate online.
Coverage requirements, inappropriate enrollment, inappropriate level of services.

Histopathology should be considered to discern questionable lesions.
Implement procedures for follow up on questionable cases.
Any questionable purchases are reimbursed by the employees.
The value of determining rectal temperature is questionable.
Report: Steph Curry, Kevin Durant questionable tomorrow vs.
Might some of those restrictions be constitutionally questionable?
The evidence behind this dietary strategy is questionable.
Propose removing this verbiage as it is questionable whether this is relevant given the amount of information available and possibly ethically questionable.
Do report coupons you see that look questionable by sending any valuable information you have about where you saw or received a questionable coupon.
We have software on all our electronics that alerts each other if we go to questionable sites or search questionable content, etc.