The phrase "formidable party" is correct and commonly used in written English.
It refers to a group of people who are strong, powerful, or difficult to beat. An example sentence using this phrase could be: "The two candidates formed a formidable party, with their combined experience and influence, making it challenging for any other contender to win the election."
Yet Smer possess a formidable party infrastructure.
President Bush's brother has built one of the most formidable party machines in the country, with 60,000 volunteers and captains in every precinct.
A version of the letter likely to be published was put out yesterday by Compass, the group organised by Neal Lawson, a formidable party organiser and a man who used to work for Mr Brown but is by no means in his pocket.
Jinnah soon proved to Nehru that the Muslims were indeed a formidable "third" party.
But when economic hardships and simmering discontent fueled the rise of a formidable opposition party three years ago, Mr. Mugabe turned against many of his own people.
As well as a formidable state party ground operation that she helped build, Shaheen had the benefit of New Hampshire Democrats skewing more towards highly educated, high-earning, white and middle-aged voters than the young, ethnically diverse working poor who were key to Obama's wins but are notoriously difficult to turn out in midterms.
The mild-mannered Stephen Dorrell has proved a formidable cross-party critic of Andrew Lansley's health bill.
The immediate result was a capital "P" for Progressivism, and the most formidable third-party campaign in our history.
The government is going to face formidable cross-party opposition on this question, including an intriguing alliance of Goveites and Corbynistas.
As it turned out, Mr. Kaufman, who has represented a portion of the Senate district for years, was a formidable third-party candidate.
For Congress's leaders, indeed, its survival is a formidable achievement: the party had never managed a coalition before.
