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Dictionary-enhanced synonyms

Synonyms for “Unprecedented” — 4 Other Ways to Say It

Something that has never happened before in history or experience; completely new.

IPA: /ʌnˈprɛsɪdɛntɪd/Level: B2Register: neutralPart of speech: adj

Meaning of Unprecedented

Never having happened or occurred before; without any previous example or parallel.

How to Pronounce Unprecedented

IPA: /ʌnˈprɛsɪdɛntɪd/ Stress: oOooo

Stress second syllable: un-PRES-i-den-tid. Say 'un' quickly.

Full pronunciation guide for unprecedented →

4 Synonyms for Unprecedented — Words Similar to Unprecedented

Browse alternative words with their meaning, level, and a real example sentence so you pick the synonym that fits your context.

novel

/ˈnɒvəl/
noun A2

A long book that tells a made-up story with characters and events.

Example: I finished reading that novel in two weeks.

groundbreaking

/ˈɡraʊndbɹeɪkɪŋ/
adj C1 Formal

The first of its kind or the first to do something important and new. Breaking new ground by discovering or creating something that didn't exist before.

Example: The scientist's groundbreaking research on genetic therapy opened new possibilities for treating genetic diseases.

Smart Synonyms for Unprecedented — When to Use Each

novel

for new and original; slightly more literary tone

unheard-of

for shocking or surprising because never seen before

groundbreaking

when emphasizing innovation and pioneering importance

first-ever

for the literal first occurrence of something

How to Use Unprecedented and Its Synonyms in Sentences

  • The pandemic caused unprecedented disruption to businesses and schools worldwide. B2
  • Climate scientists warn that heat waves of unprecedented intensity are becoming more frequent. B2
  • She achieved unprecedented success by winning three gold medals in one competition. B1

Frequently Asked Questions About Synonyms of Unprecedented

What is another word for "unprecedented"?

Common synonyms for "unprecedented" include: novel, unheard-of, groundbreaking, first-ever.

What can I say instead of "unprecedented"?

Try one of these alternatives: novel, unheard-of, groundbreaking, first-ever. Pick the synonym whose register and meaning fits your sentence — see the cards above for definitions and examples.

Is "unprecedented" formal or informal?

"unprecedented" is generally used in neutral contexts.

When should I use "unprecedented" instead of "novel"?

Use "unprecedented" when you want to keep the exact nuance shown in the meaning section above; switch to "novel" when you need a different register, level, or shade of meaning. Compare the cards above to decide.

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