Wiktionary
half-price
a. (context of a product English) for sale at half the normal price adv. (''being sold'') for half of the normal price
WordNet
half-price
adv. for half the price; "she bought it half-price during the sale"
Usage examples of "half-price".
But as soon as the half-price commenced, the row began again in all its pristine glory.
A riot beginning at half-price would not satisfy the excited feelings of the O.
Again, the greater their delay the more their debts diminish, and already, on the strength of this, the way to release themselves at half-price is found.