obligatory
adjective
1 obligatory
Morally or legally constraining or binding.
Roget 744: compelling etc. v.; coercive, coactive†; inexorable etc. 739; compulsory, compulsatory†; obligatory, stringent, peremptory. forcible, ... show more
Roget 926: obligatory, binding; imperative, peremptory; stringent etc. (severe) 739; behooving etc. v.; incumbent on, chargeable on; under obligation; ... show more
2 obligatory
Required by obligation or compulsion or convention.
Polish: wymagalny
Moby thesaurus: absolute, binding, choiceless, compulsory, conclusive, de rigueur, decisive, decretory, demanded, dictated, entailed, essential, exigent, final, hard-and-fast, imperative, imperious, importunate, imposed, incumbent ... show more.
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