Usually not comparable; only the positive degree is standard.
Translations
Wearing a helmet is compulsory for all motorcyclists.
Le port du casque est obligatoire pour tous les motocyclistes.
coercitifSurtout pour des mesures, des moyens ou une contrainte exercée par l’autorité. Definitions
Required by law or a rule; obligatory. Wearing a helmet is compulsory for all motorcyclists.
Involving or exercising compulsion; coercive. The compulsory measures taken by the government were met with resistance.
Denotes a required course, task, or routine; plural form 'compulsories'.
Translations
obligatoireEn contexte scolaire, pour un cours ou une matière imposés au programme. All first-year students must pass the mathematics compulsory course.
Tous les étudiants de première année doivent valider le cours obligatoire de mathématiques.
imposéEn gymnastique et en patinage artistique, pour une figure ou un exercice imposé. Definitions
A required course or subject in an academic curriculum. All first-year students must pass the mathematics compulsory course.
A compulsory exercise or routine, especially in gymnastics or figure skating. The skater performed the compulsory flawlessly before moving on to the free skate.