bankroll

UK: /ˈbæŋkrəʊl/ US: /ˈbæŋkˌroʊl/ ,(bangk′rōl′)

WordReference Random House Learner's Dictionary of American English © 2026

bank•roll /ˈbæŋkˌroʊl/   n. 

[countable* usually singular]
1. money in one's possession.

v. [~ + object]

2. Informal Terms to provide funds for;
   to finance:
   The government bankrolls the welfare system.

WordReference Random House Unabridged Dictionary of American English © 2026

bank•roll  (bangk′rōl′), n. 

1. money in one's possession;
   monetary resources.

v.t. 

2. Informal Terms to finance;
   provide funds for:
   to bankroll a new play.

• bank² + roll 1885–90

bank′roll′er, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

bankroll / ˈbæŋkˌrəʊl/ noun

1. a roll of currency notes
2. the financial resources of a person, organization, etc

verb

1. (transitive) to provide the capital for; finance