self-de·struc·tive /-ˈstrʌktɪv/
  self-de·struc·tive /-ˈstrəktɪv/ 形容詞
  Self-de·struc·tive a. Destroying, or tending to destroy, one's self or itself; rucidal.
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  self-destructive
       adj : dangerous to yourself or your interests; "suicidal
             impulses"; "a suicidal corporate takeover strategy"; "a
             kamikaze pilot" [syn: suicidal]