unprecedentedly

For first time

In a manner without previous example or parallel.

The adverb emphasizes that something has never happened before to this degree: Unprecedentedly, all three branches of government acted in unison.

Often used for emphasis where "unprecedented" alone would suffice: Housing prices rose unprecedentedly fast.

extraordinary

remarkably

To an unusual degree

astoundingly · amazingly · staggeringly · incredibly · unbelievably · spectacularly · stunningly · breathtakingly · marvelously · magnificently

historical

historically

In past times

significantly · pivotally · landmark · watershed · milestone · era-defining · record-breaking · unparalleled · unmatched · unequaled

innovative

groundbreakingly

In an innovative manner

transformatively · disruptively · creatively · ingeniously · freshly · experimentally · progressively · boldly · daringly · unconventionally

surprising

unexpectedly

Without prior indication

unforeseeably · unpredictably · inconceivably · bewilderingly · confoundingly · jarringly · disconcertingly · bafflingly · abruptly · suddenly

Opposites
novelty/familiarity

unprecedentedlytraditionally

In time-honored fashion

customarily · routinely · conventionally · habitually · historically

exceptionality/ordinariness

unprecedentedlyordinarily

In the usual manner

normally · unremarkably · commonly · typically · usually

Family

unprecedented

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G