Destructive
/dɪˈstɹʊktɪv/
adjective
Causing destruction; damaging.
Causing breakdown or disassembly.
“Catabolism is a destructive metabolism that involves the breakdown of molecules and release of energy.”
Lossy; causing irreversible change.
“Blurring an image is a destructive operation, but rotating an image is not.”
Synonyms: calamitous, catastrophic, devastating, disastrous, eradicative, harmful, pernicious, ruinous