crash program is a noun meaning "a rapid and intense course of training or research (usually undertaken in an emergency)". It carries one recorded sense.
a rapid and intense course of training or research (usually undertaken in an emergency)
“he took a crash course in Italian on his way to Italy”
“his first job was a crash course in survival and in learning how to get along with people”
“a crash programme is needed to create new jobs”
Definitions, synonyms and semantic relations for crash program come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.