危機【きき】
crisis, critical situation, emergency, pinch
危険【きけん】
danger, peril, hazard, risk
危うい【あやうい】
dangerous, in danger, facing imminent danger, precarious (situation), perilous (state, balance, etc.), in doubt, in jeopardy, uncertain, insecure, concerning, worrying
危うく【あやうく】
barely, narrowly, almost, nearly
危惧【きぐ】
apprehension, misgivings, uneasiness, fear, anxiety
危害【きがい】
injury, harm, danger
危篤【きとく】
critical condition, being on the verge of death
危ない【あぶない】
dangerous, risky, hazardous, perilous, precarious, in danger, in jeopardy, critical, grave, at risk, uncertain, unreliable, insecure, unsteady, doubtful, close (call), narrow (escape), look out!, watch out!, be careful!
危急【ききゅう】
emergency, crisis, imminent danger, Vulnerable (conservation status), VU