"overly powerful" is a correct and usable phrase in written English.
It can be used when describing something or someone that is too strong or influential in a negative or undesirable way. Example: The CEO's control over the company was overly powerful, leaving little room for dissenting voices and hindering progress.
One of Carswell's bugbears is an overly powerful civil service.
Bass is not overly powerful as you might expect from the small speakers.
Traditionally the Free Democrats have provided a clear voice for individual citizens' rights against an overly powerful nanny state.
(At the time, the two men were united in the attempt to defang the country's overly powerful military apparatus).
I think it does require more trajectory control and for you to hit the ball straight, nothing that's overly powerful.
Combined with the vanilla spice and coffee, it makes for a deeply flavoured, but not overly powerful, after-dinner sip.
Although I'm not a fan of this overly-powerful social media platform and I believe that, like Ma Bell in the eighties, it's a monopoly that should be broken up, FaceBook serves as a metric for something.
Xi and Li's main challenges are a misfiring economy overly dominated by powerful state industries and mounting public anger over widespread corruption, a burgeoning income gap and social inequality.
Some markets are overly saturated with powerful incumbents.
The are fiercely independent, extremely competitive, freedom-loving, adventurous, enthusiastic, bold, ambitious, athletic, impulsive, reckless, dynamic, powerful, overly-confident, loud, blunt, hasty, hard-headed, stubborn, strong-willed, hot-tempered, rude, selfish, impulsive, enterprising, risk-takers, and achievers.
But companies must come to grips with their cannibalization concerns, because getting overly defensive can curtail powerful growth strategies.
