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English definition of “toxic”

toxic

adjective (UNPLEASANT)    /ˈtɒk.sɪk/ US  /ˈtɑːk-/
informal very unpleasant or unacceptable Serious and unpleasantNot attractive to look atInformal words for badDifficult situations and unpleasant experiencesAccidents and disasters informal causing you a lot of harm and unhappiness over a long period of time : toxic parents a toxic relationship Making people sad, shocked and upsetDangerous and harmful
(Definition of toxic adjective (UNPLEASANT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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