Illustration of blue whale
blue whale
noun
: a very large baleen whale (Balaenoptera musculus synonym Sibbaldus musculus) that may reach a weight of 150 tons (136 metric tons) and a length of 100 feet (30 meters) and is generally considered the largest living animal
Examples of blue whale in a Sentence
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Gray whales migrate through the area between December and April every year, while humpbacks visit in the spring and fall, and blue whales make their appearance from June through October.
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Cu Fleshman, Travel + Leisure, 15 Mar. 2026
Other studies show that blue whales track phytoplankton blooms and chimpanzees revisit fruit-bearing trees in a similar manner.
—Nidhi Sharma, Popular Science, 12 Mar. 2026
Last week, aquarium scientists documented a rare sighting of blue whales, the largest animals on Earth, just 15 miles south of Martha's Vineyard.
—Neal Riley, CBS News, 10 Mar. 2026
While two major migrations happen annually — gray whales move November through April with peaks in February and March and blue whale sightings rise May through November — viewings are possible most days of the year.
—Nora Heston Tarte, Mercury News, 24 Feb. 2026
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Cu Fleshman, Travel + Leisure, 15 Mar. 2026
Other studies show that blue whales track phytoplankton blooms and chimpanzees revisit fruit-bearing trees in a similar manner.
—Nidhi Sharma, Popular Science, 12 Mar. 2026
Last week, aquarium scientists documented a rare sighting of blue whales, the largest animals on Earth, just 15 miles south of Martha's Vineyard.
—Neal Riley, CBS News, 10 Mar. 2026
While two major migrations happen annually — gray whales move November through April with peaks in February and March and blue whale sightings rise May through November — viewings are possible most days of the year.
—Nora Heston Tarte, Mercury News, 24 Feb. 2026
See All Example Sentences for blue whale
Cite this Entry
“Blue whale.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blue%20whale. Accessed 26 Mar. 2026.
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