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free-swimming

American  
[free-swim-ing] / ˈfriˈswɪm ɪŋ /

adjective

Zoology.
  1. (of aquatic organisms) not attached to a base nor joined in a colony; capable of swimming about freely.


free-swimming British  

adjective

  1. (of aquatic animals or larvae) not sessile or attached to any object and therefore able to swim freely in the water

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of free-swimming

First recorded in 1890–95

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"This suggests that they are detecting the particle motion associated with sound even at considerable distances from the source -- something we have not previously been able to demonstrate in free-swimming sharks."

From Science Daily ● Sep. 30, 2026

“Observations of free-swimming newborn white sharks are extremely rare,” says Tobey Curtis, a shark scientist with the National Oceanic and Atmospheric Administration who was not involved in the research.

From Science Magazine ● Jan. 29, 2024

Living throughout the world’s temperate and tropical seas, stalked barnacles begin life as free-swimming larvae that ride ocean currents until they settle, often en masse, on driftwood, a ship’s hull, or other floating objects.

From National Geographic ● Aug. 23, 2023

But unlike most others in that group, it does not undergo metamorphosis from a free-swimming larva to a fixed-to-the-bottom, or sessile, adult.

From Scientific American ● Feb. 3, 2022

It was the charm of a free-swimming existence that divorced him from a vegetarian diet.

From "Wee Tim'rous Beasties" Studies of Animal life and Character by Douglas English

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