Unmanageablenesses refer to situations or conditions that are difficult or impossible to handle or control. Synonyms for this word include intractability, unwieldiness, ungovernability, insurmountability, and unyieldingness. Intractability implies stubbornness or resistance to change, while unwieldiness suggests something is cumbersome or difficult to handle. Ungovernability implies a lack of control or authority, and insurmountability suggests a problem is too great to overcome. Unyieldingness implies a rigidity or inflexibility that makes a situation impossible to manage. Regardless of the synonym used, the word unmanageable suggests a situation that requires significant effort to handle or is beyond one's ability to control.