noun · 7 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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UK:/dɪˌdʒɛnəˈɹeɪʃən/
Southern-England:Recorded audio is listed in the source snapshot.
rhymes with -eɪʃən
CMU ARPABET:D IH0 JH EH2 N ER0 EY1 SH AH0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The process or state of growing worse, or the state of having become worse.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
That condition of a tissue or an organ in which its vitality has become either diminished or perverted; a substitution of a lower for a higher form of structure.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
Examples
fatty degeneration of the liver
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
Gradual deterioration, from natural causes, of any class of animals or plants or any particular organ or organs; hereditary degradation of type.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
A thing that has degenerated.
Definition source: English Wiktionary via Wiktextract
Usage: countable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
passing from a more complex to a simpler biological form
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.