The meaning of Questionable

adjective

Able to be argued or asserted.

Usage examples:

It was arguable that the bank had no authority to honour the cheques

adjective

Possible to give reasons for and against; debatable

Usage examples:

It’s arguable that another route would be just as bad.

adjective

Causing or likely to cause an argument; controversial.

Usage examples:

A contentious issue

adjective

Causing or likely to cause disagreement

Usage examples:

A contentious subject

adjective

Giving rise or likely to give rise to controversy or public disagreement.

Usage examples:

Years of wrangling over a controversial bypass

adjective

Causing or likely to cause disagreement

Usage examples:

A controversial theory/movie, they are also very controversially talking about taxing social securi…

adjective

Open to discussion or argument.

Usage examples:

It is debatable whether the country is coming out of recession

adjective

Not clear, not certain, or not fixed; possibly not true

Usage examples:

It’s debatable whether he could get a fair trial here.

adjective

Feeling uncertain about something.

Usage examples:

He looked doubtful, but gave a nod

adjective

Uncertain or unlikely

Usage examples:

[ + (that) clause ] it was doubtful (that) the money would ever be found., she gave me a long, doub…

adjective

Used to describe debts or accounts that are unlikely to be paid

Usage examples:

The company has established an allowance for doubtful accounts based on the credit risk of specific…

adjective

Hesitating or doubting.

Usage examples:

I was rather dubious about the whole idea

adjective

Probably not true or not completely true; doubtful

Usage examples:

The team had the dubious distinction of ranking 31st in the league., a dubious character

adjective

Constituting or presenting a problem.

Usage examples:

The situation was problematic for teachers

noun

A thing that constitutes a problem.

Usage examples:

The problematics of artificial intelligence

adjective

Causing difficulty, or hard to deal with

Usage examples:

Social interactions are really problematic with a lot of children.

adjective

Involving or constituting a problem.

Usage examples:

The weighting of votes was particularly problematical

adjective

Causing difficulty, or hard to deal with

Usage examples:

Social interactions are really problematic with a lot of children.

abbreviation

Denoting quantum states or wave functions which change sign on inversion through the origin.

symbol

(in units of measurement) micro- (10−6).

Usage examples:

Direct read-out of concentration in ug or mg/l

noun

The twenty-first letter of the alphabet.

adjective

Not able to be relied on; not known or definite.

Usage examples:

An uncertain future

adjective

Unclear, or not sure

Usage examples:

She faces an uncertain future., we’re uncertain of the cause of death., [ u ] they live in uncertai…

adjective

Unable to be demonstrated by evidence or argument as true or existing.

Usage examples:

The hypothesis is not merely unprovable, but false

adjective

Not feeling, showing, or done with confidence and certainty.

Usage examples:

I stand quietly under that glare, unsure of how to reply to such a statement

adjective

In doubt, or not certain

Usage examples:

[ + question word ] officials were unsure who was in control of the city., he has been unsure of hi…

adjective

Not having been verified.

Usage examples:

Unverified assumptions about the past had to be excluded