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Definition of livebearer

livebearer

/ˈlaɪvˌbɛər.ər/
live · bear · er
Plural:livebearers
•
Adjective:livebearing
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livebearer Lexical Profile

• noun

1

Any freshwater or brackish fish (especially members of the family Poeciliidae native to the Americas, such as guppies, mollies, platies, and swordtails) that retains its fertilized eggs internally and gives birth to free-swimming young.

Example

"Guppies and mollies are popular aquarium livebearers because their fry emerge fully formed and ready to swim."

2

Any viviparous or ovoviviparous animal that gives birth to live offspring rather than laying eggs externally.

Example

"Unlike most reptiles that deposit eggs in nests, the boa constrictor is a livebearer."

Synonyms
View all synonyms for livebearer

• Nearby Words

livable
live
live oak
livebearer
liveblog
liveblogger
livelihood

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Livebearer. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/livebearer
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