Definition of startlingly in English:
 startlingly
adverbˈstɑːtlɪŋliˈstɑrd(ə)lɪŋli
In a very surprising, astonishing, or remarkable way.
 the proportion of deaths suffered by civilians rose startlingly
 a talented and startlingly original writer
 Example sentencesExamples
-  He's a startlingly prolific songwriter, capable of churning out three albums a year.
 -  He was teasing in his answers to some questions, at times startlingly blunt in response to others.
 -  Around almost every corner is a picture-postcard view of the Manhattan skyline, startlingly close.
 -  When a cancer-stricken doctor is brought in to investigate, the plot begins to spirals towards its startlingly inventive climax.
 -  She arrived at court in a startlingly ostentatious coat.
 
  Definition of startlingly in US English:
 startlingly
adverbˈstärd(ə)liNGlēˈstɑrd(ə)lɪŋli
In a very surprising, astonishing, or remarkable way.
 the proportion of deaths suffered by civilians rose startlingly
 a talented and startlingly original writer
 Example sentencesExamples
-  Around almost every corner is a picture-postcard view of the Manhattan skyline, startlingly close.
 -  He was teasing in his answers to some questions, at times startlingly blunt in response to others.
 -  She arrived at court in a startlingly ostentatious coat.
 -  When a cancer-stricken doctor is brought in to investigate, the plot begins to spirals towards its startlingly inventive climax.
 -  He's a startlingly prolific songwriter, capable of churning out three albums a year.