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:plĕʹthərə
Received-Pronunciation:plĕʹdhərə
Received-Pronunciation:plĭthôʹrə
Received-Pronunciation:/ˈplɛθəɹə/
Received-Pronunciation:/ˈplɛðəɹə/
Received-Pronunciation:/plɪˈθɔːɹə/
Canada, General-American:plĕʹthərə
Canada, General-American:/ˈplɛθəɹə/
Canada, General-American:[ˈplɛθɹə]
California:Recorded audio is listed in the source snapshot.
Australian, New-Zealand:/ˈpleθəɹə/
Australian, New-Zealand:[ˈpleθɹə]
QueenslandRecorded audio is listed in the source snapshot.
rhymes with -ɔːɹə
CMU ARPABET:P L EH1 TH ER0 AH0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
CMU ARPABET 2:P L AH0 TH AO1 R AH0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
An excessive amount or number; an abundance.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable, usually
Examples
The menu offers a plethora of cuisines from around the world.
1817, Francis Jeffrey, review of Lalla Rookh, in the Edinburgh Review He labours under a plethora of wit and imagination.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Excess of blood in the skin, especially in the face and especially chronically.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: medicine, sciences
No example sentence was provided for this meaning.