Definition of "facultatively" []

• In a facultative manner (adverb)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "Aren't they ALL folksy, blue-eyed, facultatively bipedal teratomas over there?"
• "Increased productivity at lower trophic levels is likely to result in increased growth in early years for facultatively anadromous species that promotes a shift to wholly freshwater life histories"
• "Most anadromous species in the Arctic are facultatively anadromous [2] in that many individuals in a population do not necessarily migrate to sea even though it is accessible."