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nouna very large indefinite number (usually hyperbole)
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"a zillion people were there"adjectivevery large indeterminate number
Similar:
Words sounding like good zillion
million billion civilian brazilian trillion pavilion zillion vermilion cotillion vermillion castilian pillion quadrillion vaudevillian octillion jillion quintillion radium vermilion sextillion antimony vermilion german cotillion cool million orange vermilion modillion postillion postilion septillion chinese pavilion chinese vermilion ten million