adj · 5 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.
/ˌʌnbɪˈliːvəbl̩/
/bi-/
/bə-/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:AH2 N B AH0 L IY1 V AH0 B AH0 L
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Not to be believed.
Definition source: English Wiktionary via Wiktextract
Usage: literally
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: beyond belief, incredible, noncredible
Antonyms: believable, credible
2
adj
Meaning 2
Amazing, astonishing; so surprising that one is almost, or figuratively, unable to believe.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively
Examples
The most unbelievable thing happened to me today!
This restaurant makes unbelievable pizza!
Meaning relationships
Synonyms: incredible
Antonyms: none provided
3
adj
Meaning 3
Implausible or improbable.
Definition source: English Wiktionary via Wiktextract
Examples
His excuse seems rather unbelievable.
Meaning relationships
Synonyms: improbable, infeasible, unlikely
Antonyms: feasible, likely, plausible, probable
4
adjective
Meaning 4
beyond belief or understanding
Definition source: Princeton WordNet 3.0
Examples
at incredible speed
the book's plot is simply incredible
Meaning relationships
Synonyms: incredible
Antonyms: none provided
5
adjective satellite
Meaning 5
having a probability too low to inspire belief
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: improbable, unconvincing, unlikely
Antonyms: none provided
History
Etymology
From un- + believable.
Across languages
Translations
71 source translations are retained for this English entry.
Afrikaans:
ongelooflik
— incredible
Arabic:
لا يصدق
— incredible
Azerbaijani:
inanılmaz
— incredible
Azerbaijani:
ağlasığmaz
— incredible
Azerbaijani:
ağlabatmaz
— incredible
Basque:
sinestezin
— incredible
Bulgarian:
невероя́тен
(neverojáten)
— incredible
Catalan:
increïble
— incredible
Chinese Mandarin:
不可思議 /不可思议
(bùkěsīyì)
— incredible
Czech:
neuvěřitelný
— incredible
Danish:
utrolig
— incredible
Dutch:
ongelofelijk
— incredible
Esperanto:
nekredebla
— incredible
Finnish:
uskomaton
— incredible
French:
incroyable
— incredible
Georgian:
დაუჯერებელი
(dauǯerebeli)
— incredible
German:
unglaublich
— incredible
Greek:
απίστευτος
(apísteftos)
— incredible
Hebrew:
לֹא יֵאָמֵן
(lo yeamén)
— incredible
Hebrew:
לֹא יְאֻמַּן כִּי יְסֻפַּר
(lo y'ummán ki y'suppár)
— incredible
