Entry Word: voluntary

Function: adjective

Meaning: 1 done, made, or given with one's own free will <a voluntary contribution to the school's fund-raising drive>

Synonyms freewill, unforced, volunteer, willing

Related Words discretionary, elective, nonobligatory, optional; impulsive, instinctive, spontaneous, unforced, unpremeditated; conscious, deliberate, intentional, knowing, willful (or wilful)

Near Antonyms compulsory, mandatory, necessary, nonelective, obligatory, ordered, required

Antonyms coerced, forced, involuntary

2 subject to one's freedom of choice <participation in the resortʼs recreational activities is strictly voluntary> — see optional