doubtful

adjective
1
not sure; uncertain and feeling doubt
تردیدآمیز, نامطمئن, دو دل
synonym dubious
2
unlikely; not probable
نامحتمل, غیرمحتمل
It's doubtful if this painting is a Picasso.
With her injuries it's doubtful that she'll ever walk again.
It's doubtful whether the car will last another year.
He is injured and is doubtful for the game tomorrow .
3
uncertain and likely to get worse
نامطمئن, بلاتکلیف
At the beginning of the war things were looking very doubtful.
4
of low value; probably not what somebody claims it is or of a quality that you can rely on
مشکوک, نامطمئن, غیر قابل اعتماد
This wine is of doubtful quality.
synonym dubious