The meaning of UNHEARD-OF is previously unknown; especially : unprecedented. How to use unheard-of in a sentence.

Synonyms for UNHEARD-OF: unprecedented, novel, strange, unfamiliar, new, fresh, original, unknown; Antonyms of UNHEARD-OF: old, familiar, hackneyed, traditional, conventional, …

UNHEARD-OF definition: 1. surprising or shocking because not known about or previously experienced: 2. surprising or…. Learn more.

UNHEARD OF definition: previously unknown | Meaning, pronunciation, translations and examples

Definition of unheard-of adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

2025年3月7日 · Master the word "UNHEARD OF" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.

Very unusual, extraordinary, as in It's unheard of to have all one's money refunded two years after the purchase. This expression alludes to a circumstance so unusual that it has never been …

2025年3月1日 · DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘unheard-of'. Views expressed in the examples do not …

(Definition of unheard of from the Cambridge Learner's Dictionary © Cambridge University Press)

Define unheard-of. unheard-of synonyms, unheard-of pronunciation, unheard-of translation, English dictionary definition of unheard-of. adj. 1. Not previously known; unknown. 2. Without …