for all that

for all

1. To the degree or extent that; insofar as. We might as well have been educated by dogs for all the good their teaching did! For all I know, she could be living in Timbuktu by now!
2. In spite of; notwithstanding. For all our efforts to stop the bill, it still cleared both the House and the Senate with ease.
See also: all

for all that

In spite of; notwithstanding. We drove like bats out of hell to get there on time, but for all that hurrying, we were still too late to board the plane.
See also: all, that

for all that

see under for all.
See also: all, that