The phrase "uncontrollable forces" refers to things or events that cannot be controlled or influenced by humans. These forces are beyond our power to change or manipulate. Full definition
Men have from time immemorial experienced wonder, mystery, awe, and dread in the face of the inexplicable and uncontrollable forces of nature and of their own inner nature, and have hypostatized these experiences in the gods. (religion-online.org)
As the famed art critic Clark Mills wrote in 1957, West's painting communicates «an immediate sense of the presence of vast and perhaps uncontrollable forces in motion about us.» (borghi.org)
Stop tolerating law societies» treatment of the problem as though it were due to uncontrollable forces like the weather, or an unavoidable economic downturn. (slaw.ca)