obligatory

adj 0.706

mandatory

adj 0.703

required

adj 0.672

compulsory

adj 0.654

obligate

adj 0.643

necessary

adj 0.636

obligational

adj 0.627

must-have

adj 0.616

obligated

adj 0.611

requisite

adj 0.610

mandated

adj 0.608

de rigueur

adj 0.580

mandative

adj 0.572

essential

adj 0.566

imperative

adj 0.564

makruh

adj 0.559

needed

adj 0.554

haram

adj 0.550

obliged

adj 0.540

indispensable

adj 0.537

halal

adj 0.530

must-see

adj 0.528

needful

adj 0.522

optional

adj 0.521

unavoidable

adj 0.514

nonobligatory

adj 0.511

devo

adj 0.505

necessitarian

adj 0.503

liable

adj 0.500