The phrase "a string of inappropriate" is correct and usable in written English.
It can be used to describe a series of actions, comments, or behaviors that are deemed unsuitable or offensive.
Example: "The comedian's set included a string of inappropriate jokes that made the audience uncomfortable."
Alternatives: "a series of inappropriate" or "a collection of inappropriate".
Anna Graham Hunter wrote about a string of allegedly inappropriate encounters with the actor in an essay published Wednesday by the Hollywood Reporter.
His outsize personality incorporated a personal amusement park, a pet chimp named Bubbles, and a string of accusations involving inappropriate relations with children.
Miles's senior colleagues at the bar have spoken privately of their "serious concerns" that his elevation to the bench would be the latest in a string of partisan and inappropriate appointments by the Newman Liberal National party government.
And last week the scandal that has engulfed Lib Dem peer Chris Rennard, the party's long-standing election strategist, who now stands accused of inappropriate behaviour towards a string of female party members, was a further black cloud.
It was the latest in a string of five cases involving criminal or inappropriate sexual behavior by school employees.
Although many years have passed since the Purdys lived there, the continuity of their ownership has doubtless helped save the house from inappropriate modernizations from a string of tenants: an antique shop followed by a succession of restaurants.
Earlier this week, at a staff meeting in San Francisco, Uber executives revealed to the company's 12,000 employees that 20 of their colleagues had been fired and that 57 are still being probed over harassment, discrimination and inappropriate behavior, following a string of accusations that Uber had created a toxic workplace and allowed complaints to go unaddressed for years.
Carlos Shaw, who has pleaded guilty to taking tests for others, received a string of weak performance evaluations and resigned in 2007 after he was reprimanded for writing inappropriate notes to a 17-year-old female student.
The school system was embarrassed last year by a string of arrests of employees accused of touching young students, including some who had previously been disciplined for inappropriate contact with children but who had been allowed to keep working with them.
