Definition of "destructive"

destructive

/dɪˈstɹʌktɪv/

adjective
comparative more destructive, superlative most destructive
1. Causing destruction; damaging.
  Quotations
  After rescuing his estranged daughter in the last film, Live Free Or Die Hard, Willis heads to Russia to rescue his estranged son (Jai Courtney), a CIA agent on a mission to protect a whistleblower (Sebastian Koch) from a corrupt government official (Sergei Kolesnikov) with no shortage of destructive resources at his disposal.
  2013 February 14, Scott Tobias, “Film: Reviews: A Good Day To Die Hard”, in The Onion AV Club‎
2. Causing breakdown or disassembly.
3. (computing) Lossy; causing irreversible change.