Undesirable (adjective) — غير مرغوب فيه: Not wanted or wished for. Below are 6 words with a similar meaning; the linked ones have full GL Dictionary entries with their meaning in Arabic.
Not satisfactory or allowable.
Causing discomfort or dislike.
unwantedunwelcomeobjectionableharmful
Of poor quality, harmful, or morally wrong; also used for severe conditions (bad injury) or strong disapproval of an outcome