Antonyms for optional
- adjective
Antonyms
- adj.
- required, mandatory, necessary, compulsory, obligatory, forced, binding, imperative, obligate, natural, non-optional, requisite, involuntary, compulsatory, unbewised, unvoluntary, decretory dated rare, compelled, obliged
In other languages
- Italiano
- facoltativo
- Español
- opcional
- Deutsch
- freiwillig