optional
- adjective (adj)
Meaning: possible available as choice
Synonyms:
alternative
arbitrary
discretional
discretionary
elective
extra
facultative
free
noncompulsory
nonobligatory
no strings attached
not required
open
unforced
unrestricted
up to the individual
volitional
voluntary
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.