All noncompulsory synonyms

adjective noncompulsory

• alternative — If one thing is an alternative to another, the first can be found, used, or done instead of the second.
• arbitrary — If you describe an action, rule, or decision as arbitrary, you think that it is not based on any principle, plan, or system. It often seems unfair because of this.
• discretional — discretionary.
• discretionary — subject or left to one's own discretion.
• elective — Related to or working by means of election.
• extra — Added to an existing or usual amount or number.
• facultative — conferring a faculty, privilege, permission, or the power of doing or not doing something: a facultative enactment.
• free — enjoying personal rights or liberty, as a person who is not in slavery: a land of free people.
• no strings attached — without conditions
• obligatorily — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
• open — not closed or barred at the time, as a doorway by a door, a window by a sash, or a gateway by a gate: to leave the windows open at night.
• unforced — enforced or compulsory: forced labor.
• unrestricted — confined; limited.
• volitional — the act of willing, choosing, or resolving; exercise of willing: She left of her own volition.
• voluntary — done, made, brought about, undertaken, etc., of one's own accord or by free choice: a voluntary contribution.
• avoidable — Something that is avoidable can be prevented from happening.
• futile — incapable of producing any result; ineffective; useless; not successful: Attempting to force-feed the sick horse was futile.
• gratuitous — given, done, bestowed, or obtained without charge or payment; free; voluntary.
• irrelevant — not relevant; not applicable or pertinent: His lectures often stray to interesting but irrelevant subjects.
• needless — unnecessary; not needed or wanted: a needless waste of food.
• redundant — characterized by verbosity or unnecessary repetition in expressing ideas; prolix: a redundant style.
• superfluous — being more than is sufficient or required; excessive.
• unneeded — a requirement, necessary duty, or obligation: There is no need for you to go there.
• useless — of no use; not serving the purpose or any purpose; unavailing or futile: It is useless to reason with him.
• worthless — without worth; of no use, importance, or value; good-for-nothing: a worthless person; a worthless contract.
• accidental — An accidental event happens by chance or as the result of an accident, and is not deliberately intended.
• additional — Additional things are extra things apart from the ones already present.
• beside the point — If you say that something is beside the point, you mean that it is not relevant to the subject that you are discussing.
• casual — If you are casual, you are, or you pretend to be, relaxed and not very concerned about what is happening or what you are doing.
• causeless — a person or thing that acts, happens, or exists in such a way that some specific thing happens as a result; the producer of an effect: You have been the cause of much anxiety. What was the cause of the accident?
• chance — If there is a chance of something happening, it is possible that it will happen.
• dispensable — capable of being dispensed with or done without; not necessary or essential.
• excess — An amount of something that is more than necessary, permitted, or desirable.
• exorbitant — (of a price or amount charged) unreasonably high.
• expendable — (of an object) Designed to be used only once and then abandoned or destroyed.
• extraneous — Irrelevant or unrelated to the subject being dealt with.
• extrinsic — Not part of the essential nature of someone or something; coming or operating from outside.
• fortuitous — happening or produced by chance; accidental: a fortuitous encounter.
• haphazard — characterized by lack of order or planning, by irregularity, or by randomness; determined by or dependent on chance; aimless.
• inessential — not essential; not necessary; nonessential.
• lavish — expended, bestowed, or occurring in profusion: lavish spending.
• nonessential — not essential; not necessary: Nonessential use of gasoline was forbidden during the war.
• optional — left to one's choice; not required or mandatory: Formal dress is optional.
• prodigal — wastefully or recklessly extravagant: prodigal expenditure.
• profuse — spending or giving freely and in large amount, often to excess; extravagant (often followed by in): profuse praise.
• random — proceeding, made, or occurring without definite aim, reason, or pattern: the random selection of numbers.
• supererogatory — going beyond the requirements of duty.
• surplus — something that remains above what is used or needed.
• uncalled-for — not called for; not required; superfluous; unwanted.
• uncritical — not inclined or able to judge, especially by the application of comparative standards: an uncritical reader.