Standard Lemma guide

cetaceous

adj · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • rhymes with -eɪʃəs

1

adj

Meaning 1

Relating to whales or more generally to any marine mammal of the infraorder Cetacea.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adjective

Meaning 2

of or relating to whales and dolphins etc

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: cetacean

Antonyms: none provided

History

Etymology

Cetacea + -ous