The phrase "countless families" means an unspecified or innumerable number of families. It implies that there are so many families that they cannot be counted, and it suggests a large quantity or multitude of families.
Sentences with «countless families»
These policymakers at all levels of government have helped countless families access new opportunities where there were none before. (washingtonexaminer.com)
They have both used their business backgrounds to counsel countless families in the areas of budgeting, financial planning and credit restoration. (fcsbm.org)
I have worked with countless families with a chronically ill child or spouse. (beingseen.org)