Dictionary Definition
facultative adj
1 of or relating to the mental faculties
2 able to exist under more than one set of
conditions; "a facultative parasite can exist as a parasite or a
saprophyte" [ant: obligate]
3 granting a privilege or permission or power to
do or not do something; "a facultative enactment"
4 not compulsory; "facultative courses in the
sciences"
User Contributed Dictionary
English
Adjective
- Of or relating to faculty, especially to mental faculty
- Not compulsory; optional, discretionary or elective
- That grants permission or power to do something
- (of an organism) Able to live under widely different environmental conditions (especially either aerobically or anaerobically)
Antonyms
References
- Free Medical Dictionary
- Oxford English Dictionary