The phrase "a mighty group" is correct and usable in written English.
It can be used to describe a powerful or impressive collection of individuals or entities, often in a positive context.
Example: "The conference was attended by a mighty group of leaders from various industries, all eager to share their insights."
Alternatives: "a powerful team" or "an impressive assembly".
We might fear that, when the rights of a mighty group conflict with those of a mere individual, it is Goliath rather than David who will more frequently emerge as the victor.
If your Sunday nights are dedicated to meal prepping for the week ahead, you're part of a mighty group of health nuts.
He noted that it was not a "generally sad affair, hard-to-take document" as are most final recordings of great artists, but instead "a compelling last testament of a mighty group and a fine human being".
So there is no crisis, just a depressing reminder that a once mighty group, with a flagship paper that set unsurpassed sales records, is suffering death by a thousand cuts.
In short, super civic youth comprise a small but mighty group of influencers.
One decade after he famously stayed up all night trying to code an "awesome button" to send out bits of positivity across the web, Rosenstein joined a small but mighty group of Silicon Valley heretics who feel compelled to warn people about the rise of the so-called "attention economy": an internet that was shaped around the demands of an advertising economy.
To celebrate, a small but mighty group assembled in West Hollywood to rally for the cause.
I headed up to the parade staging area by myself and found them: a small but mighty group of people in matching "MOMS DEMAND ACTION" shirts.
Heart attacks among world leaders have dropped nearly in half since 1970, a C.I.A. study published in The Annals of Internal Medicine shows, and fatal heart attacks are now a rarity in this mighty group.
Mr Norquist is the pugnacious founder of Americans for Tax Reform (ATR), a mighty pressure group that deems taxes no less of an evil than alcohol was in the eyes of the 19th-century temperance movements.
And that's a mighty strong group to be in.
