| Main Entry: | optional |
| Part of Speech: | adjective |
| Definition: | possible; available as choice |
Synonyms: |
alternative, arbitrary, discretional, discretionary, elective, extra, facultative, free, no strings attached, noncompulsory, nonobligatory, not required, open, unforced, unrestricted, up to the individual, volitional, voluntary |
Antonyms: |
compulsory, forced, required |
| Main Entry: | unnecessary |
| Part of Speech: | adjective |
| Definition: | not required |
Synonyms: |
accidental, additional, avoidable, beside the point, casual, causeless, chance, dispensable, excess, exorbitant, expendable, extraneous, extrinsic, fortuitous, futile, gratuitous, haphazard, inessential, irrelevant, lavish, needless, noncompulsory, nonessential, optional, prodigal, profuse, random, redundant, supererogatory, superfluous, surplus, uncalled-for, uncritical, undesirable, unessential, unneeded, unrequired, useless, wanton, worthless |
Antonyms: |
indispensable, necessary, needed, required |
| Main Entry: | facultative |
| Part of Speech: | adjective |
| Definition: | optional |
Synonyms: |
discretional, discretionary, elective, noncompulsory, nonobligatory, not required, volitional, voluntary |
| Main Entry: | inessential |
| Part of Speech: | adjective |
| Definition: | unnecessary |
Synonyms: |
accidental, additional, avoidable, beside the point, casual, causeless, chance, dispensable, excess, exorbitant, expendable, extraneous, extrinsic, fortuitous, futile, gratuitous, haphazard, irrelevant, lavish, needless, noncompulsory, nonessential, optional, prodigal, profuse, random, redundant, supererogatory, superfluous, surplus, uncalled-for, uncritical, undesirable, unessential, unneeded, unrequired, useless, wanton, worthless |
| Main Entry: | unneeded |
| Part of Speech: | adjective |
| Definition: | unnecessary |
Synonyms: |
accidental, additional, avoidable, beside the point, casual, causeless, chance, dispensable, excess, exorbitant, expendable, extraneous, extrinsic, fortuitous, futile, gratuitous, haphazard, inessential, irrelevant, lavish, needless, noncompulsory, nonessential, optional, prodigal, profuse, random, redundant, supererogatory, superfluous, surplus, uncalled-for, uncritical, undesirable, unessential, unrequired, useless, wanton, worthless |
| Main Entry: | unrequired |
| Part of Speech: | adjective |
| Definition: | unnecessary |
Synonyms: |
accidental, additional, avoidable, beside the point, casual, causeless, chance, dispensable, excess, exorbitant, expendable, extraneous, extrinsic, fortuitous, futile, gratuitous, haphazard, inessential, irrelevant, lavish, needless, noncompulsory, nonessential, optional, prodigal, profuse, random, redundant, supererogatory, superfluous, surplus, uncalled-for, uncritical, undesirable, unessential, unneeded, useless, wanton, worthless |