unprecedented

/ˌʌnˈprɛsɪdɛntɪd/

never before seen or experienced

The company faced unprecedented challenges during the pandemic.

The company encountered difficulties that had never been seen before.

formal

Never done or known before; without precedent

The scientist made an unprecedented discovery in quantum physics.

The scientist found something in quantum physics that had never been found before.

The government took unprecedented measures to control the outbreak.

The government implemented actions that had never been taken before to stop the spread.

Often used to emphasize the extreme or historic nature of an event or situation.

Collocations

unprecedented successextremely successful in a way that has never happened beforeunprecedented timesa period of extreme or unique circumstances

Use 'unprecedented' to describe something that has never happened before, often in formal or serious contexts.

From Latin 'praecedentia' (preceding), with the prefix 'un-' meaning 'not'.

Often used in formal contexts to describe events, actions, or situations that are historically significant or extreme.

un-

not

prefix

precedent

something that has happened before

root

English Dictionary