damaging

detrimental

Causing harm or damage

• injuriousCausing physical harm
• deleteriousCausing harm or damage
• adverseHarmful or opposed

hurtful · prejudicial · pernicious · baneful · noxious · disadvantageous · unfavorable · negative · debilitating · impairing

destructive

Causing severe harm

• devastatingCausing severe damage
• ruinousCausing severe destruction
• wreckingDestroying completely

shattering · smashing · crushing · demolition · wreckage · breakage · battering · denting · scratching · cracking

traumatic

Causing severe emotional damage

• hurtfulCausing emotional pain
• woundingCausing physical injury
• scarringPermanent mark formation

distressing · upsetting · disturbing · devastating · crushing · demoralizing · dispiriting · undermining · destabilizing · toxic

poisonous

Capable of causing death

• contaminatingMaking something impure
• pollutingIntroducing harmful contaminants
• hazardousLikely to cause injury

carcinogenic · mutagenic · radioactive · venomous · lethal · noxious · septic · pathogenic · biohazardous · pestilential

defamatory

Harming someone's good name

• slanderousFalsely damaging to reputation
• libelousFalsely damaging someone's reputation
• scandalousMorally offensive or shocking

incriminating · compromising · embarrassing · discrediting · smearing · tarnishing · besmirching · ruinous · devastating · reputation

devastating

Causing severe damage

• catastrophicCausing complete destruction
• calamitousCausing great damage
• disastrousCausing great damage

ruinous · cataclysmic · annihilating · obliterating · decimating · ravaging · apocalyptic · irreparable · irreversible · total

• harmharming, injury, hurting, abuse, injuring
• pest behaviorbiting, chewing, gnawing, burrowing, infesting
• decliningdeclining, waning, fading, diminishing, decreasing
• deterioratingdecaying, decomposing, degrading, rotting, eroding
• meanmean, cruel, unkind, nasty, hurtful
• restrainingconstraining, restricting, limiting, confining, curbing