From Longman Dictionary of Contemporary Englishrock bottomˌrock ˈbottom noun → hit/reach rock bottom
Examples from the Corpus
rock bottom• Most important, like its government, the army was corrupt and the morale of its men at rock bottom.• With her spirits at rock bottom, Fabia got ready for bed.• Both groups of students were starting their careers at City College, and both were starting at rock bottom.• At the time, I thought one had hit rock bottom.• But this time he does seem to have hit rock bottom.• Page has hit proverbial rock bottom and has become a walking skeleton living on the streets.rock-bottomˈrock-bottom adjective [only before noun] CHEAPa rock-bottom price is as low as it can possibly be bargain holidays at rock-bottom pricesExamples from the Corpus
rock-bottom• All Raskin could do was quickly recalculate the rock-bottom cost of manufacturing this new version of Macintosh.• Some cuts involved not filling posts left vacant by teachers discouraged by the rock-bottom pay and difficult conditions.• Peskin has been buying property at rock-bottom prices ahead of recovery.• And of those few, the vast majority flocked to stores offering rock-bottom prices.• The North receives a kind of colonial tribute in debt service, whilst getting its raw materials at rock-bottom prices.• rock-bottom real estate prices• The move would have boosted rock-bottom Tory morale just in time for their conference next week.rock-bottom prices• And of those few, the vast majority flocked to stores offering rock-bottom prices.• The North receives a kind of colonial tribute in debt service, whilst getting its raw materials at rock-bottom prices.• Peskin has been buying property at rock-bottom prices ahead of recovery.From Longman Business Dictionaryrock-bottomˌrock-ˈbottom adjective rock-bottom price/rate/level etcCOMMERCE a price etc that is as low as it can possibly beHe was forced to sell his goods at rock-bottom prices.Interest rates in Japan are already at rock-bottom levels. —rock bottom noun [uncountable]Thousands of shop staff face the sack as sales hit rock bottom. 