necessity - the condition of being essential or indispensable

hurry, haste - a condition of urgency making it necessary to hurry; "in a hurry to lock the door"

imperativeness, insistency, press, insistence, pressure - the state of urgently demanding notice or attention; "the press of business matters"

criticality, criticalness, cruciality - a state of critical urgency

importance - the quality of being important and worthy of note; "the importance of a well-balanced diet"

sharpness, edge - the attribute of urgency; "his voice had an edge to it"

imperativeness, insistency, instancy, insistence - urgently demanding attention; "the insistence of their hunger"; "he pressed his demand with considerable instancy"

situation - a complex or critical or unusual difficulty; "the dangerous situation developed suddenly"; "that's quite a situation"; "no human situation is simple"

solicitation - an entreaty addressed to someone of superior status; "a solicitation to the king for relief"