adjective
causing great damage.
a disastrous fire swept through the museum
catastrophic,calamitous,cataclysmic,tragic,devastating,ravaging,ruinous,harmful,injurious,detrimental,adverse,dire,terrible,awful,shocking,appalling,dreadful,grievous,horrible,black,dark,bad,unfortunate,unlucky,ill-fated,ill-starred,inauspicious,unfavourable
adjective
involving or creating unfavourable circumstances that reduce the chances of success or effectiveness.
the new employment scheme is disadvantageous to women
unfavourable,adverse,inauspicious,unpropitious,unfortunate,unlucky,bad,detrimental,prejudicial,deleterious,harmful,damaging,injurious,hurtful,destructive,inopportune,ill-timed,untimely,inexpedient
adjective
highly destructive or damaging.
a devastating cyclone
destructive,ruinous,disastrous,catastrophic,calamitous,cataclysmic,pernicious,noxious,harmful,damaging,injurious,hurtful,wounding,violent,detrimental,deleterious,disadvantageous,ravaging,crippling,savage,fierce,brutal,dangerous,fatal,deadly,lethal,death-dealing
adjective
tending to cause harm.
recent policies have been detrimental to the interests of many old people
harmful,damaging,injurious,hurtful,inimical,deleterious,dangerous,destructive,ruinous,calamitous,disastrous,pernicious,environmentally unfriendly,ill,bad,evil,baleful,malign,corrupting,malignant,adverse,undesirable,prejudicial,unfavourable,unfortunate,counterproductive,unhealthy,unwholesome,poisonous,cancerous,noxious,deadly,lethal,fatal,malefic,maleficent,prejudicious
adjective
causing great and irreparable damage.
the destructive power of weapons
devastating,ruinous,disastrous,catastrophic,calamitous,cataclysmic,pernicious,noxious,environmentally unfriendly,harmful,damaging,injurious,hurtful,wounding,violent,detrimental,deleterious,disadvantageous,ravaging,crippling,savage,fierce,brutal,dangerous,fatal,deadly,lethal,death-dealing
adjective
causing harm or damage.
divorce is assumed to have deleterious effects on children
harmful,damaging,detrimental,injurious,inimical,hurtful,bad,adverse,disadvantageous,unfavourable,unfortunate,undesirable,destructive,pernicious,ruinous
adjective
causing or able to cause death.
a deadly weapon
fatal,lethal,mortal,death-dealing,life-threatening,dangerous,destructive,injurious,harmful,pernicious,detrimental,deleterious,unhealthy,noxious,toxic,poisonous,terminal,incurable,untreatable,malignant,deathly,nocuous,mephitic,baneful
adverb
in a way resembling or suggesting death; as if dead.
her skin was deadly pale
deathly,deathlike,ashen,ghostly,white,pallid,wan,pale,ghastly
adjective
causing or able to cause death.
a deadly weapon
fatal,lethal,mortal,death-dealing,life-threatening,dangerous,destructive,injurious,harmful,pernicious,detrimental,deleterious,unhealthy,noxious,toxic,poisonous,terminal,incurable,untreatable,malignant,deathly,nocuous,mephitic,baneful
adjective
causing or able to cause death.
a deadly weapon
fatal,lethal,mortal,death-dealing,life-threatening,dangerous,destructive,injurious,harmful,pernicious,detrimental,deleterious,unhealthy,noxious,toxic,poisonous,terminal,incurable,untreatable,malignant,deathly,nocuous,mephitic,baneful
adjective
tending to cause corrosion.
the corrosive effects of salt water
caustic,corroding,eroding,erosive,abrasive,biting,mordant,burning,stinging,acid,alkali,destructive,damaging,harmful,harsh,environmentally unfriendly,consumptive
noun
a corrosive substance.
adjective
Threatening harm; menacing.
Bill shot a baleful glance in her direction
menacing,threatening,unfriendly,hostile,antagonistic,evil,evil-intentioned,wicked,nasty,hate-filled,bitter,acrimonious,malevolent,malicious,malignant,malign,sinister,deadly,harmful,injurious,dangerous,noxious,virulent,pernicious,venomous,poisonous,vitriolic,vindictive
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