Numerous (adjective) — كثيرة أو عديدة: Many; great in number. Below are 8 words with a similar meaning; the linked ones have full GL Dictionary entries with their meaning in Arabic.
Innumerable; infinite; numberless; immeasurable; unlimited; boundless; vast; uncountable
Existing or available in large quantities; plentiful and more than adequate
Existing in large amounts.
Many and varied; as a noun, a pipe with several openings in an engine.
Having or involving several parts or elements; as a noun, a number that can be divided exactly by another.
manyseveralfrequent
Too many to be counted.
A large unit of the Roman army; a very large number.
A form of a word that refers to more than one.
Informal: very many, an indefinitely large number.
Of different kinds; several.