Optional vs Nonobligatory - What's the difference?
optional | nonobligatory |
Not compulsory; left to personal choice; elective.
As adjectives the difference between optional and nonobligatory
is that optional is not compulsory; left to personal choice; elective while nonobligatory is not obligatory; not required; optional.optional
English
Adjective
(-)- On that beach clothing is entirely optional .