Mandatory (adjective) — إلزامي: Required by law or rules; compulsory. Below are 8 words with a similar meaning; the linked ones have full GL Dictionary entries with their meaning in Arabic.
Mandatory; required; obligatory; necessary; forced; essential; unavoidable
Required by a rule or law; compulsory.
Obligatory and enforceable — a promise or rule that holds; also the spine and cover that hold a book's pages together
Needed to be done or present; essential.
Of vital importance; a command.
requiredrequisiteessential