Optional

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Optional \Op"tion*al\, a.
     Involving an option; depending on the exercise of an option;
     left to one's discretion or choice; allowed but not
     compulsory; as, optional studies; it is optional with you to
     go or stay. -- n. See {Elective}, n.
     [1913 Webster]


  
           If to the former the movement was not optional, it was
           the same that the latter chose when it was optional.
                                                    --Palfrey.
     [1913 Webster]
  
           Original writs are either optional or peremptory.
                                                    --Blackstone.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  optional
       adj : possible but not necessary; left to personal choice [ant: {obligatory}]

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

  38 Moby Thesaurus words for "optional":
     alternative, arbitrary, autonomous, discretional, discretionary,
     disjunctive, elective, free, free will, gratuitous, independent,
     nonmandatory, offered, proffered, self-acting, self-active,
     self-determined, self-determining, spontaneous, unasked,
     unbesought, unbidden, uncalled-for, uncoerced, uncompelled,
     unforced, uninfluenced, uninvited, unpressured, unprompted,
     unrequested, unrequired, unsolicited, unsought, volitional,
     voluntary, volunteer, willful