Enough that they would back him with a significant force?
"They have made themselves a very significant force inside the country."
"He wants a significant force there right up until the last day."
The statistics show older people are an increasingly significant social force in the Community.
As the numbers testify, video games have become a significant cultural force, especially among the young.
They had little or no say and ceased to control any significant force.
That religious following was large enough to be a significant force in secular politics.
But he wouldn't have a significant force to actually do anything.
By 1870 their population had grown to over 45,000 and was a significant economic force in south Russia.
Europe may be a significant driving force in this field.