cetacean

C3E1T1A1C3E1A1N1
/sɪˈteɪʃən/

adjective

Pertaining to the zoologic infraorder Cetacea, or associated with species falling under that taxonomic hierarchy.

“The obese woman, ungainly on land, moved with a kind of cetacean grace in the water.”

Similar
cetaceouswhale[Appendix:Glossarycetacean mammalblower
UncommonScrabble 12

Meanings

adjectivecetacean (comparative more cetacean, superlative most cetacean)

comparative more cetacean · superlative most cetacean

  1. Pertaining to the zoologic infraorder Cetacea, or associated with species falling under that taxonomic hierarchy.

    The poached blubber was definitely cetacean in origin, but the particular species could not be identified.

    1 more example

    She was not as demure as she was in Roanoke; she seemed at the beginning rather like she felt more comfortable in the oceanic atmosphere harpooning her opponent. Indeed, at times, it seemed she was Ahab and the witherwin Allen was her Moby Dick; but while she sails her Pequod just as intently toward a singular goal, her alastor is much less clear and she bears no visible scars of a cetacean attacker.

    2012, Hampton Roads Republican US Senate Debate Summary

    Synonyms: cetaceous

  2. broadlyfigurativelysometimesResembling or relating to large aquatic mammals.

    The obese woman, ungainly on land, moved with a kind of cetacean grace in the water.

    1 more example

    […] I would propose that external dependencies to the document would be automatically downloaded if a local copy doesn't exist so that the core distribution no longer is quite so cetacean in size.

    2023 December 18, Don Hosek, “Re: LaTeX v.s. Typst: What is TeX Community's Future Plan? [closed]”, in TeX - LaTeX Stack Exchange
nouncetacean (plural cetaceans)

plural cetaceans

  1. A marine mammal belonging to the infraorder Cetacea, including dolphins, porpoises, and whales, characterized by a streamlined body, one or two blowholes, tail flukes, and fin-like forelimbs without hind limbs.

    The tour promised spiritual experiences with humpback whales and other cetaceans, but all we saw were seagulls and a dead sea otter.

    Synonyms: whale[Appendix:Glossary

Synonyms & antonyms

adjectivePertaining to the zoologic infraorder Cetacea, or associated with species falling under that taxonomic hierarchy.

Similar

nounA marine mammal belonging to the infraorder Cetacea, including dolphins, porpoises, and whales, characterized by a streamlined body, one or two blowholes, tail flukes, and fin-like forelimbs without hind limbs.

Similar
whale[Appendix:Glossary

More synonyms by meaning

adjectiveof or relating to whales and dolphins etc

Similar

nounlarge aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales, dolphins, porpoises, narwhals

Similar
cetacean mammalblower
Broader
aquatic mammal

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latincētus“whale”
  2. translingualCetacea
  3. Englishcetacean

From translingual Cetacea, from Latin cētus (“whale”), + -an.

Full word history & related roots →

Translations

Bulgarian китообразно
  • китообразно (kitoobrazno)an animal belonging to the infraorder Cetacea
Catalan cetaci
  • cetacian animal belonging to the infraorder Cetacea
Chinese Mandarin 鯨目動物 /鲸目动物
  • 鯨目動物 /鲸目动物 (jīngmù dòngwù)an animal belonging to the infraorder Cetacea
Czech kytovec
  • kytovecan animal belonging to the infraorder Cetacea
Dutch walvisachtige
  • walvisachtigean animal belonging to the infraorder Cetacea
Esperanto balena
  • balenarelating to organisms from Cetacea
Finnish valas, valas
  • valasan animal belonging to the infraorder Cetacea
  • valasrelating to organisms from Cetacea
French cétacé
  • cétacéan animal belonging to the infraorder Cetacea
German Waltier
  • Waltieran animal belonging to the infraorder Cetacea
Greek κήτος
  • κήτος (kítos)an animal belonging to the infraorder Cetacea
Italian cetaceo
  • cetaceoan animal belonging to the infraorder Cetacea
Latin cētāceum
  • cētāceuman animal belonging to the infraorder Cetacea
Polish waleń, waleń
  • waleńan animal belonging to the infraorder Cetacea
  • waleńrelating to organisms from Cetacea
Portuguese cetáceo
  • cetáceoan animal belonging to the infraorder Cetacea
Romanian cetaceu
  • cetaceuan animal belonging to the infraorder Cetacea
Russian китообра́зный, кито́вый
  • китообра́зный (kitoobráznyj)an animal belonging to the infraorder Cetacea
  • кито́вый (kitóvyj)an animal belonging to the infraorder Cetacea
Spanish cetáceo
  • cetáceoan animal belonging to the infraorder Cetacea
Swedish val
  • valan animal belonging to the infraorder Cetacea
Welsh morfilog
  • morfilogan animal belonging to the infraorder Cetacea

Rhymes & wordplay

Rhymes with cetacean

All rhymes →
Cite this entry
APA

cetacean. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/cetacean

MLA

“cetacean.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cetacean. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “cetacean,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/cetacean.

Source: cetacean on Wiktionary, CC BY-SA 4.0.