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critical

adjective (SERIOUS)
 
 
/ˈkrɪt.ɪ.kəl/ US  /ˈkrɪt̬-/

Definition

B2 extremely serious or dangerous: Both drivers are critical/in a critical condition (= so badly hurt that they might die) after the 120 mph crash.Serious and severeSevere critically
 
 
/-i/ adverb
B2 a critically acclaimed TV series They were both critically injured in the crash.Analysing and evaluatingAssessing and estimating valueSerious and severeSevere
(Definition of critical adjective (SERIOUS) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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