Longman Dictionary of Contemporary English
rock-bottom
adjective
COLLOCATIONS FROM OTHER ENTRIES
hit rock-bottom/an all-time low etc
▪ Oil prices have hit rock-bottom.
EXAMPLES FROM OTHER ENTRIES
▪ rock-bottom real estate prices
EXAMPLES FROM CORPUS
▪ All Raskin could do was quickly recalculate the rock-bottom cost of manufacturing this new version of Macintosh.
▪ And of those few, the vast majority flocked to stores offering rock-bottom prices.
▪ Peskin has been buying property at rock-bottom prices ahead of recovery.
▪ Some cuts involved not filling posts left vacant by teachers discouraged by the rock-bottom pay and difficult conditions.
▪ The move would have boosted rock-bottom Tory morale just in time for their conference next week.
▪ The North receives a kind of colonial tribute in debt service, whilst getting its raw materials at rock-bottom prices.
Douglas Harper's Etymology Dictionary
Wiktionary
rock-bottom
n. (alternative spelling of rock bottom English) vb. (context intransitive figuratively English) to fall to the lowest possible level
WordNet
rock-bottom
adj. well below normal (especially in price) [syn: reduced]
Usage examples of "rock-bottom".
With tight management I'm estimating hitting a rock-bottom situation at about three months from now, after which we should be able to start pulling things back together.
With tight management I’m estimating hitting a rock-bottom situation at about three months from now, after which we should be able to start pulling things back together.