bank-break·er
plural bank-breakers
Definition of bank-breaker
: something that is extremely or excessively expensive
At less than $700,000, the Flynn-Johnston compromise is not a bank-breaker. — Anchorage (Alaska) Daily News, 4 Dec. 2009
— see also break the bank at bank entry 4
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Merriam-Webster unabridged
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Time Traveler for bank-breaker
The first known use of bank-breaker was in 1984
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