This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Tending to cause discomfort, uneasiness or alarm; unsettling; troubling; upsetting.

adj. hard to deal with; causing uncertainty or confusion about how to act or react.

adj. causing an emotional disturbance

"What's disconcerting is how he, like I've heard from Terry O'Quinn in LOST interviews, has given up on completely delving into and investing in their character's inner-workings and resigned to being a 'puppet' for the writers and directors."

displeasing   

awkward    embarrassing    off-putting    sticky    tight   

disconcert   

alerting    asserting    averting    converting    diverting