noun · 3 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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:lo͞oʹsəs nətyo͝oəʹrē
Received-Pronunciation:lyo͞oʹsəs nətyo͝oəʹrē
Received-Pronunciation:/ˈluːsəs nəˈtjʊəɹiː/
Received-Pronunciation:
Southern-England:Recorded audio is listed in the source snapshot.
Received-Pronunciation:lo͞oʹso͞os nətyo͝oəʹrē
Received-Pronunciation:lyo͞oʹso͞os nətyo͝oəʹrē
Received-Pronunciation:/ˈluːsuːs nəˈtjʊəɹiː/
Received-Pronunciation:/ˈljuːsuːs nəˈtjʊəɹiː/
1
noun
Meaning 1
A sportive quality in Nature to which abnormal forms were formerly ascribed; a supposed capricious act of Nature regarded as the cause and origin of anomalies in a given organism.
Definition source: English Wiktionary via Wiktextract
Usage: historical
Qualifier: originally
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
An organism exhibiting marked such deviation from the norm, seeming to be the result of sportive design; a freak of nature.
Definition source: English Wiktionary via Wiktextract
Usage: countable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
a person or animal that is markedly unusual or deformed
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: freak, monster, monstrosity
Antonyms: none provided
Broader terms: mutant, mutation, variation, sport
Narrower terms: leviathan
History
Etymology
Learned borrowing from Latin lūsus nātūrae (literally “sport of Nature”), from lūsus (“playing, sport”) + nātūrae (“of Nature”), genitive singular of nātūra (“Nature”). Originally used to explain fossils (pre-paleontology) or abnormalities such as two-headed snakes.