"unsettle" is a perfectly acceptable word in written English
It means to make someone feel uneasy, worried, or nervous. You can use it in any situation when someone's emotions are being stirred up in a negative way. Example: The sudden outburst of thunder unsettled the crowd waiting for the fireworks show to begin.
There are also the continuing geopolitical tensions to unsettle investors: the protests in Hong Kong, the troubles in Ukraine, not to mention air strikes on Isis.
Psychology professor Travis Langley thinks the instinct to track our own lives through a Facebook timeline and then see that transferred to the big screen is natural enough – it's just that the results unsettle.
Leading shares have reversed early gains as jitters about the UK election and worries about Greece's finances unsettle investors.
For the central government in Madrid, moves towards Catalan independence could unsettle financial markets as Spain struggles to convince its European partners that it can borrow money at affordable rates and thus avoid a bailout.
The Syrians had developed links to the jihadists since the earliest days of the anti-US insurgency and had used them to unsettle the Americans and their plans for Iraq.
Indeed, the sight of Kondogbia and Andrea Raggi swapping shirts with Pirlo and Carlos Tevez at the interval had been unwelcome, suggesting reverence where they should have been seeking to unsettle their visitors.
Dull though this ambition was, it had something to do with the fact that the holders began the final with four players unavailable through suspension, including Claudio Caniggia, the one forward with the speed to unsettle the German defence.
Finally, the notion that Lafazanis "controls" a third of Syriza is pure fiction whose aim is to unsettle the new Greek government and impose the extra-parliamentary schemes of unruly neoliberal bureaucrats.
Related: EU attempting to unsettle Syriza government in Greece | Letters What this humdrum week in the life of Europe shows you then is that its leaders can only handle a very limited democracy.
The function of art is to unsettle and trouble, to provoke and excite, to alarm and inspire.
The fact that the Liberal Democrats seem to suffer so dramatically prompts the question of whether with cabinet ministers at risk and the government left battling with an angry and destabalised backbench they will pursue a reform that could unsettle parliament for years to come and fail to win the Tories a clear-cut electoral advantage while decimating the Lib Dems.
