say it: BANG-krohl
bankroll is a noun and verb meaning "a roll of currency notes (often taken as the resources of a person or business etc.)". It carries 2 recorded senses.
provide with sufficient funds; finance
“Who will bankroll the restoration of the former East German economy?”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for bankroll come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.