facultative

Meanings

Adjective

• of or relating to the mental faculties
• able to exist under more than one set of conditions
  • "a facultative parasite can exist as a parasite or a saprophyte"

Adjective Satellite

• granting a privilege or permission or power to do or not do something
  • "a facultative enactment"
• not compulsory
  • "facultative courses in the sciences"

Adj

• Of or relating to faculty, especially to mental faculty.
• Not obligate; optional, discretionary or elective.
• That grants permission or power to do something.
• Able to perform a particular life function, or to live generally, in more than one way.
• At which a given function is positive.

Synonyms

discretionary, elective, facultative, free, noncompulsory, nonmandatory, nonobligate, nonobligatory, nonrequired, nonrequisite, optional, optionary, unrequired, volitional, voluntary

Antonyms

dispensable, gratuitous, inessential, needless, obligate, optional, unnecessary, unneeded