From Longman Dictionary of Contemporary Englisha deal of somethinga deal of somethingold-fashioned a large amount of something → deal
Examples from the Corpus
a deal of something• But she had found a deal of happiness in her family.• If her relationship with Tyler had brought her a deal of heartache, it had also brought her so much more.• So is a deal of subtlety in the more reflective parts of the love duet and the monologue.• There is a deal of social activity now for the hunting season.• Seems to need a deal of mollycoddling.