Facultative Synonyms and Antonyms

făkəl-tātĭv
Not compulsory or automatic
(Adjective)
Synonyms:
  1. discretionary
  2. elective
  3. optional
Capable of living under varying conditions; e.g., able to live independently and as a parasite
(Adjective)
Antonyms:
  1. obligate

Words Related to Facultative

Related words are words that are directly connected to each other through their meaning, even if they are not synonyms or antonyms. This connection may be general or specific, or the words may appear frequently together.

Related:

  1. choice
  2. aerobe
  3. anaerobe

Facultative Sentence Examples

  • Since 1875, 1000 citizens can claim a popular vote (facultative Referendum) on all bills, or can exercise the right of initiative whether as to laws or the revision of the cantonal constitution.

  • The provisions of neither convention are obligatory, but merely " facultative," amounting only to recommendations.

  • In many cases the colour-production is dependent on certain definite conditions - temperature, presence of oxygen, nature of the food-medium, &c. Ewart's important discovery that some of these lipochrome pigments occlude oxygen, while others do not, may have bearings on the facultative anaerobism of these organisms.

  • Similarly we are unable to divide Schizomycetes sharply into parasites and saprophytes, since it is well proved that a number of species - facultative parasites - can become one or the other according to circumstances.

  • Many strains are facultative intracellular parasites which produce endotoxins and enterotoxins.

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