verb (used with object), un·der·bought, un·der·buy·ing.
- to buy more cheaply than (another).
- to buy at less than the actual value.
verb (used without object), un·der·bought, un·der·buy·ing.
- to buy an insufficient quantity, as of supplies or stock in trade.
verb -buys, -buying or -bought
- to buy (stock in trade) in amounts lower than required
- (tr) to buy at a price below that paid by (others)
- (tr) to pay a price less than the true value for