Added 8 October 2026
unbelievable
/ˌʌnbɪˈliːvəbl̩/ adjective
In Latin: incredibilis Wiktionary
adjective Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about unbelievable at Wordnik → Where our words come from →
-
Beyond belief or understanding.
at incredible speed
- Having a probability too low to inspire belief.
Origin
From un- + believable.
From Wiktionary, via Kaikki.org (CC BY-SA)