Unreal (adjective) — غير حقيقي: Imaginary; so remarkable as to seem unreal. Below are 7 words with a similar meaning; the linked ones have full GL Dictionary entries with their meaning in Arabic.
Relating to invented stories or characters; not real.
Extraordinarily good; also wildly imaginative.
Hard to believe; amazing.
Causing great surprise or wonder; extremely good.
imaginaryillusorydreamlike
Lacking strength or solidity.
Not existing; not real.
A ghost; something that seems real but is not.