hypercritical,
overcritical inclined to judge too severely; "hypercritical of colloquial speech"; "the overcritical teacher can discourage originality"
critical -
being in or verging on a state of crisis or emergency; "a critical shortage of food"; "a critical illness"; "an illness at the critical stage"
crucial,
important of extreme importance; vital to the resolution of a crisis; "a crucial moment in his career"; "a crucial election"; "a crucial issue for women"
crisis a crucial stage or turning point in the course of something; "after the crisis the patient either dies or gets better"
acute having or experiencing a rapid onset and short but severe course; "acute appendicitis"; "the acute phase of the illness"; "acute patients"
life-threatening,
dangerous,
grave,
grievous,
serious,
severe causing fear or anxiety by threatening great harm; "a dangerous operation"; "a grave situation"; "a grave illness"; "grievous bodily harm"; "a serious wound"; "a serious turn of events"; "a severe case of pneumonia"; "a life-threatening disease"
critical -
characterized by careful evaluation and judgment; "a critical reading"; "a critical dissertation"; "a critical analysis of Melville's writings"
uncritical,
noncritical not critical; not tending to find or call attention to errors; "a devoted and almost uncritical admirer"
discerning having or revealing keen insight and good judgment; "a discerning critic"; "a discerning reader"
scholarly characteristic of scholars or scholarship; "scholarly pursuits"; "a scholarly treatise"; "a scholarly attitude"
appraising,
evaluative exercising or involving careful evaluations; "looked him over with an appraising eye"; "the literary judge uses many evaluative terms"
critical -
forming or having the nature of a turning point or crisis; "a critical point in the campaign"; "the critical test"
crucial,
important of extreme importance; vital to the resolution of a crisis; "a crucial moment in his career"; "a crucial election"; "a crucial issue for women"
critical -
of or involving or characteristic of critics or criticism; "critical acclaim"
critical -
urgently needed; absolutely necessary; "a critical element of the plan"; "critical medical supplies"; "vital for a healthy society"; "of vital interest"