From Longman Dictionary of Contemporary Englishquite a/some timequite a/some timeespecially British English a fairly long time We’ve been waiting for quite some time now. → quite
Examples from the Corpus
quite a/some time• He found out we had been pulling the wool over his eyes for quite some time.• If the skin and gills are kept moist they can remain out of water for quite some time.• It must have taken quite a time.• It was brought to her before I really got to know her, but it was with her for quite some time.• Uh I have no for quite some time.• Judging the competition has taken quite some time and was no easy matter.• In other words, it Adll be quite some time before the kinks are worked out of the system.• For quite some time he lived with the expectation that he was going to die. 