fantastically

adverb

fan·​tas·​ti·​cal·​ly fan-ˈta-sti-k(ə-)lē 

fən-

1

: in a fantastic manner

2

: to a fantastic degree : extremely

fantastically expensive clothes

Synonyms of fantastically

• extremely
• incredibly
• very
• terribly
• highly
• too
• badly
• damned
• so
• damn
• really
• severely
• desperately
• super
• intensely

Examples of fantastically in a Sentence

a community production of the classic musical that featured fantastically bad singing

Recent Examples on the Web

The hamburguesa aplastada, however, a fantastically fatty smash burger with two patties of dry-aged Prime beef and chorizo, began with a backyard burger and boyhood promise. —Louisa Kung Liu Chu, Chicago Tribune, 28 Apr. 2026

Potier decodes that practically illegible document and creates a 3-D realization that grows from a fantastically complex swirl of interlocking geometries. —Justin Davidson, Curbed, 23 Apr. 2026

On the edges of the creeks there was a wild mass of flowers which looked more like art than nature, so profusely and fantastically were their vivid colors blended together. —Literary Hub, 21 Apr. 2026

Not to be outdone, the amazing Tessa Thompson turns in a fantastically free-wheeling performance as Cass' artist girlfriend, Detroit. —Debby Wolfinsohn, Entertainment Weekly, 13 Apr. 2026

Word History

Etymology

fantastical + -ly entry 2

First Known Use

1543, in the meaning defined at sense 1

Rhymes for fantastically

• drastically
• plastically
• elastically
• sarcastically
• enthusiastically