His technique was unrivalled and completely unbelievable.
Source: tatoeba (2804307)
Ranked by relevance and common usage.
Keep "unrivalled" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Choose a synonym only if it keeps the core idea of "unrivalled" intact in the sentence you are editing.
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Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
After choosing a replacement for "unrivalled", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "unrivalled" or choose a simpler alternative from the closest-match group.
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4 total sentences available.
His technique was unrivalled and completely unbelievable.
Source: tatoeba (2804307)
Finland’s latest weapons in the fight against the coronavirus are named Kossi, E.T. and Miina. The three sniffer dogs are being put to work at Helsinki’s Vantaa airport, using their unrivalled sense of smell to detect passengers carrying the disease.
Source: tatoeba (9288805)
He described Britain as a country with "unrivalled skills and creativeness."
Source: tatoeba (12013499)
[T]his museum of the state of flux [Newmarket, Suffolk] has a climate unrivalled for the production of the British temperament. Not without a due proportion of that essential formative of character, east wind, it has at once the hottest sun, the coldest blizzards, the wettest rain, of any place of its size in 'the three kingdoms.'
Source: wiktionary
Closest matches include peerless, unmatched, incomparable, matchless, nonpareil.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.