The phrase "a somewhat unstable" is correct and usable in written English.
It can be used to describe something that is not entirely stable or secure, often in contexts related to emotions, situations, or conditions.
Example: "The economy is currently in a somewhat unstable state, leading to uncertainty among investors."
Alternatives: "a fairly unstable" or "a rather unstable".
A somewhat unstable Middle East has already proved a breeding ground for terrorism, of course, and the prospect of Iraqi weapons of mass destruction falling into the hands of terrorists was another of the stated reasons for going to war.
A bittersweet comedy, it's set in 18th-century Ireland, where the Anglo-Irish Lord Adelson is having trouble with Salvini, a somewhat unstable Italian painter in his employment, who has fallen inconveniently and unrequitedly in love with Adelson's fiancee Nelly.
The plot that instigates these psychic knife fights is somewhat contrived, but no matter: Jenny, a somewhat unstable woman who spends much of the first act of this short two-act play pasting photocopies of her face over the walls of her Brooklyn apartment, has kidnapped her brother's beloved dog, a Shih Tzu, in retaliation for his decision to move to San Francisco.
Yet, while portraying Assange as a somewhat unstable and unreliable fellow, Keller leaves out his own background which would be relevant for readers evaluating why Keller might take such a dismissive attitude toward WikiLeaks' revelations of war crimes in Iraq.
Periodate cleavage of this diol followed by in situ reduction provided alcohol 10 a, a compound that proved somewhat unstable toward prolonged storage or distillation.
After more than a year though, it becomes somewhat unstable.
SOC-7 appeared to be somewhat unstable with a significant increase during the study period, especially in females.
Peak Technical then advised another company where McLaughlin had applied for a job not to hire her, saying she was "somewhat unstable and defensive", according to a $300,000 lawsuit McLaughlin brought against the company.
It should be noted that the estimates of the risks were somewhat unstable due to a small number of male respondents with dependants reporting a disease.
RS: And we have a president who many people feel is somewhat unstable, or very much unstable, who is salesman before he's anything else, and blah, blah, blah.
Whilst this transinfection does function with a good degree of penetrance, it is somewhat unstable in the laboratory, and these studies did not assess whether the infections functioned in the same way as a natural infection.
