The details of the kidnaper's letter had sounded disturbingly convincing.    From Wordnet, Princeton University. 

Adjective : a disturbing increase in the crime rate.    From Dictionary.com. 

An act that can only be described as disturbingly predatory in nature. ".    From Wordnik.com.  [Latest News - Yahoo!7 News] Reference

"disturbingly" high, particularly in the non-durable goods sector.    From Wordnik.com.  [ANC Daily News Briefing] Reference

But, disturbingly, she couldn't control her thoughts.    From Wordnik.com.  [The Marriott Hotel, Downtown Brooklyn] Reference

Download the disturbingly cool "Ted Bundy Was a Lady's Man.".    From Wordnik.com.  [Phil Ramone and Danielle Evin: Dog Ears Music: Volume 142] Reference

And so on, disturbingly similar to the old communist propaganda.    From Wordnik.com.  [Oberheim (Voices)] Reference

There was something disturbingly warm and honest in Garry's eyes.    From Wordnik.com.  [Kenny] Reference

And, perhaps most disturbingly, most body image problems don't show.    From Wordnik.com.  [Ad men today are wrong on body size] Reference

Our first report details a kind of story that's become disturbingly familiar.    From Wordnik.com.  [Deadly U.S. Raid Sparks Furor Among Afghan Civilians] Reference

Even more disturbingly, some of the child prisoners have ended up on death row.    From Wordnik.com.  [Criminal Justice System] Reference

The back door in the Silvey home squeaked disturbingly as Mrs. Silvey appeared.    From Wordnik.com.  [A Son of the City A Story of Boy Life] Reference

But that was not the most disturbingly vivid memory which she carried away with her.    From Wordnik.com.  [Then I'll Come Back to You] Reference

The American primary system, now about 100 years old, is disturbingly antidemocratic.    From Wordnik.com.  [Poof Goes the Purple Dream] Reference

Deja vu: Talking to K. Mel and some of the others is a disturbingly familiar experience.    From Wordnik.com.  [Toasting The 'Hood] Reference

He's wearing a t-shirt saying "it's only a gameshow", and a pair of disturbingly tight trousers.    From Wordnik.com.  [Big Brother 2010 final: the liveblog] Reference

That is way too close to stalling speed ( "disturbingly low," as the J.P. Morgan analysts put it).    From Wordnik.com.  [Bottom keeps falling out of trade data] Reference

Majid AliNew York, New YorkAmerica's situation in Afghanistan does look disturbingly similar to Vietnam.    From Wordnik.com.  [A Winnable War?] Reference

And there was something eerily, even disturbingly, evocative about the president's speech at Fort Bragg.    From Wordnik.com.  [Living Politics: Message to GOP] Reference

His self-portraits are disturbingly personal; he opens himself physically and emotionally before the lens.    From Wordnik.com.  [Shooting Himself] Reference

He was ridiculously conscious of that tense little figure by the fire with the disturbingly friendly eyes.    From Wordnik.com.  [Jimsy The Christmas Kid] Reference

The following morning, Si'Wren found herself working in the spice tent beside a disturbingly quiet Nelatha.    From Wordnik.com.  [Si'Wren of the Patriarchs] Reference

A twenty percent chance of encountering an online threat on a single search is a disturbingly high fraction.    From Wordnik.com.  [Why Jessica Biel is a threat to your computer] Reference

Even when engaged in the crucial task of re-establishing security, Baghdad often seemed disturbingly distracted.    From Wordnik.com.  [How Not To Build A Nation] Reference

Upset by a disturbingly high rate of product breakdowns, he launched a dramatic, even melodramatic, quality drive.    From Wordnik.com.  [MASTERS OF THE DIGITAL AGE] Reference

Upset by a disturbingly high rate of after-sales repairs, he launched a dramatic, even melodramatic, quality drive.    From Wordnik.com.  [DIGITAL MASTERS] Reference

In doing so, Mr. Foster joined a distinguished list of of unheralded running backs that is growing disturbingly long.    From Wordnik.com.  [The NFL's Newest Water Bearer] Reference

His real-life story is disturbingly similar to the plot line in the movie "Rendition" that's coming out this weekend.    From Wordnik.com.  [CNN Transcript Oct 18, 2007] Reference

More disturbingly to power users, the maximum built-in storage option -- the only one -- is an 80-gigabyte hard drive.    From Wordnik.com.  [The Skinny on the MacBook Air] Reference

It happens to be one of the most wildly (and disturbingly) inventive animated films I've seen, but will anyone notice?.    From Wordnik.com.  [Oh, Grow Up Already] Reference

While Litvak's evocation of the hospital's abject milieu is disturbingly frank, there is light at the bottom of this "Pit.".    From Wordnik.com.  [John Farr: A Tale of Two Sisters: Hollywood's Longest Running Feud] Reference

Don the helmet, and you are instantly immersed in a disturbingly realistic videogame version of an urban Iraqi battleground.    From Wordnik.com.  [A Virtual Iraq] Reference

According to the "Oxford Companion to Wine," non-believers consider biodynamics an "unscientific and disturbingly irrational cult.".    From Wordnik.com.  [A Taste of Biodynamics] Reference

Such sounds, coming from he knew not where, fell disturbingly on the unaccustomed ears of a seventeenth-century Judge of Session, and.    From Wordnik.com.  [Stories of the Border Marches] Reference

More disturbingly, this is what happens when you treat the arrest of a black man, in his home, as something that can be fixed over beers.    From Wordnik.com.  [Taylor Marsh: Of Teachable Moments] Reference