Definition of squillion noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈskwɪljən//
; NAmE NAmE//ˈskwɪljən//
(informal, often humorous)
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a very large number a squillion-dollar budget It’s cost us squillions. Word Origin 1940s: fanciful formation on the pattern of billion and trillion.
See the Oxford Advanced American Dictionary entry: squillion