British Dictionary definitions for lump sum
- a relatively large sum of money, paid at one time, esp in cash
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Examples from the Web for lump sum
But better one good blow than endless little ones; better a lump-sum than instalments with interest.'
I take a lump-sum fee, and, of course, it's to my interest to get a case cleared up as soon as I can.