nonmandatory
Speech parts
1. nonmandatory - Adjective
2. nonmandatory - Adjective Satellite
Meaning
not required by rule or law
Source: WordNetSynonyms
nonobligatory
free
open
arbitrary
optional
voluntary
autonomous
elective
discretionary
gratuitous
unrestricted
leftover
self-acting
discretional
facultative
Show all synonyms