Part of speech:
The definition of exigent is pressing, demanding or urgent.
The definition of obligatory is necessary, required or expected as a result of law or social custom.
Of coercion or tending to coerce
The definition of compelling is someone or something extremely attractive or interesting.
(Biochemistry) Being a substance that is required for normal functioning but cannot be synthesized by the body and therefore must be included in the diet:
The definition of imperative is something that has authority or is absolutely necessary.
Required beforehand, esp. as a necessary condition for something following
The definition of optional is available, but not required.
(Law) Without legal obligation or consideration:
The definition of requisite is something required or necessary.
Imposed on one by authority, command, or convention
An official or authoritative command; an order or injunction; a commission; a judicial precept.
Find another word for mandatory. In this page you can discover 24 synonyms, antonyms, idiomatic expressions, and related words for mandatory, like: forced, exigent, obligatory, impelling, compulsory, necessary, coercive, commandatory, compelling, directory and essential.