unprecedented
First of its kind
Unprecedented means never having occurred or existed before: an unprecedented surge in prices, The pandemic created unprecedented challenges.
The word emphasizes that something has no prior example or parallel in recorded experience.
Often used for emphasis where "unusual" or "rare" might suffice, which dilutes its impact.
Notable event marking progress
- watershedDrainage area boundary
- landmarkNotable point of reference
- epoch-makingStarting a new age
- pivotalVitally important, deciding
monumental · seminal · annals · momentous · once-in-a-lifetime · record-breaking · unparalleled · unmatched
Introducing radical new ideas
- pioneeringFirst to explore territory
- trailblazingBeing the first through
- revolutionarySeeking fundamental systemic change
- cutting-edgeAt innovation's forefront
breakthrough · transformative · disruptive · avant-garde · visionary · inventive · original · radical
Not anticipated beforehand
- unforeseenNot predicted or expected
- unanticipatedNot predicted beforehand
- astonishingCausing great wonder
- shockingCausing intense surprise
stunning · jaw-dropping · unheard-of · inconceivable · unimaginable · startling · remarkable · extraordinary
Violent disturbance of order
- turmoilViolent disturbance or confusion
- crisisDecisive dangerous moment
- shockwavePropagating pressure disturbance
- seismicRelating to ground tremors
cataclysmic · earth-shattering · catastrophic · destabilizing · convulsive · tumultuous · chaotic · transformational
milestone
Notable event marking progress
- watershedDrainage area boundary
- landmarkNotable point of reference
- epoch-makingStarting a new age
pivotal · monumental · seminal · annals · momentous · once-in-a-lifetime · record-breaking · unparalleled · unmatched · singular
groundbreaking
Introducing radical new ideas
- pioneeringFirst to explore territory
- trailblazingBeing the first through
- revolutionarySeeking fundamental systemic change
cutting-edge · breakthrough · transformative · disruptive · avant-garde · visionary · inventive · original · radical · game-changing
unexpected
Not anticipated beforehand
- unforeseenNot predicted or expected
- unanticipatedNot predicted beforehand
- astonishingCausing great wonder
shocking · stunning · jaw-dropping · unheard-of · inconceivable · unimaginable · startling · remarkable · extraordinary · anomalous
upheaval
Violent disturbance of order
- turmoilViolent disturbance or confusion
- crisisDecisive dangerous moment
- shockwavePropagating pressure disturbance
seismic · cataclysmic · earth-shattering · catastrophic · destabilizing · convulsive · tumultuous · chaotic · transformational · far-reaching
- long wordssupercalifragilisticexpialidocious, antidisestablishmentarianism, incomprehensibilities, counterrevolutionary, electroencephalograph
- clichescliche, platitude, bromide, tired phrase, worn phrase
- extremesbest, worst, biggest, smallest, highest
- SAT vocabularyaesthetic, ambiguous, benevolent, candid, concise
- descriptorsnew, novel, original, innovative, modern
- Extreme Adjectivesastronomical, boundless, colossal, countless, endless
unprecedentedprecedented
Having prior examples
established · time-honored · tried · tried-and-true · well-established
unprecedentedconventional
Following accepted practices
traditional · derivative · imitative · unoriginal · familiar