Abnormal (adjective) — غير طبيعي: Deviating from what is normal, usual, or expected; not conforming to standard patterns Below are 8 words with a similar meaning; the linked ones have full GL Dictionary entries with their meaning in Arabic.
Not common or usual.
Not representative of a type, group, or class; deviating from what is normal or expected; unusual or irregular; not conforming to the usual pattern
Deviating from what is normal, expected, or accepted; atypical, anomalous, or straying from a standard path or pattern
Strange or unusual; belonging particularly to one.
irregularanomalousdeviantextraordinary
Not typical of a person's usual behaviour.
Not typical of a person or thing.
Contrary to nature; artificial.