critical point is a noun meaning "a crisis situation or point in time when a critical decision must be made". It carries one recorded sense.
a crisis situation or point in time when a critical decision must be made
“at that juncture he had no idea what to do”
“he must be made to realize that the company stands at a critical point”
Definitions, synonyms and semantic relations for critical point come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.