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.
UK:/ˌhɪp.əˈpɒt.ə.məs/
Canada, US:/ˌhɪp.əˈpɑ.tə.məs/
Canada, US:[ˌhɪp.əˈpɑ.ɾə.məs]
US:Recorded audio is listed in the source snapshot.
Philippines:/hɪ.poˈpo.ta.mʊs/
Philippines:/hɪ.po.poˈta.mʊs/
/ˌhi.po̞.po̞ˈte̞ː.mo̞s/Ghana
Nigeria:/ˌhi.poˈpo.te.mɔs/
CMU ARPABET:HH IH2 P AH0 P AA1 T AH0 M AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A semi-aquatic, herbivorous, African hoofed mammal of the family Hippopotamidae.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: hippo, hippopotamid, river horse
Antonyms: none provided
2
noun
Meaning 2
The common hippopotamus (Hippopotamus amphibius).
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
massive thick-skinned herbivorous animal living in or around rivers of tropical Africa
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: hippo, river horse, Hippopotamus amphibius
From Latin and New Latin hippopotamus, from Ancient Greek ἱπποπόταμος (hippopótamos), from ἵππος (híppos, “horse”) (English hippo-) + ποταμός (potamós, “river”). First attested in the 1560s. Displaced native Old English sǣhenġest, and largely displaced English nicker (from native Old English nicor) and river horse.
Across languages
Translations
208 source translations are retained for this English entry.