All compulsatory antonyms

adjective compulsatory

• inessential — not essential; not necessary; nonessential.
• optional — left to one's choice; not required or mandatory: Formal dress is optional.
• unnecessary — not necessary or essential; needless; unessential.
• voluntary — done, made, brought about, undertaken, etc., of one's own accord or by free choice: a voluntary contribution.
• free — enjoying personal rights or liberty, as a person who is not in slavery: a land of free people.
• liberated — to set free, as from imprisonment or bondage.
• unstipulated — to make an express demand or arrangement as a condition of agreement (often followed by for).
• democratic — A democratic country, government, or political system is governed by representatives who are elected by the people.
• humble — not proud or arrogant; modest: to be humble although successful.
• meek — humbly patient or docile, as under provocation from others.
• fawning — a young deer, especially an unweaned one.
• helpless — unable to help oneself; weak or dependent: a helpless invalid.
• obedient — obeying or willing to obey; complying with or submissive to authority: an obedient son.
• servile — slavishly submissive or obsequious; fawning: servile flatterers.
• subservient — serving or acting in a subordinate capacity; subordinate.
• weak — not strong; liable to yield, break, or collapse under pressure or strain; fragile; frail: a weak fortress; a weak spot in armor.
• nonessential — not essential; not necessary: Nonessential use of gasoline was forbidden during the war.
• secondary — next after the first in order, place, time, etc.
• unforced — enforced or compulsory: forced labor.
• unrequired — to have need of; need: He requires medical care.