Pernicious

Adjective

 * 1) causing much harm in a subtle way
 * 2) causing death or injury; deadly
 * 3) Injurious

Thesaurus
destructive, detrimental, devastating, disadvantageous, disserviceable, distressing, fatal, feral, harmful, hurtful, injurious, internecine, killing, lethal, malefic, maleficent, malevolent, malign, malignant, miasmatic, miasmic, mischievous, mortal, noisome, noxious, ominous, pestiferous, pestilent, pestilential, poisonous, prejudicial, ruinous, savage, scatheful, sinister, swart, toxic, venenate, veneniferous, venenous, venomous, vicious, virulent, baleful, baneful, brutal, corroding, corrosive, corrupting, corruptive, counterproductive, damaging, deadly, death-bringing, deathful, deathly, deleterious,

Etymology
From, from pernicios, from  perniciosus:, from pernicies:, from per: + nex:

Related terms

 * pernicious anaemia

Translations

 * Bulgarian: пагубен
 * Dutch:, destructief
 * Finnish: turmiollinen, haitallinen, tuhoisa
 * French:, ,
 * German:, bösartig,  verderblich


 * Italian: pernicioso
 * Macedonian: погубен
 * Russian: ,
 * Scottish Gaelic:
 * Spanish:


 * Bulgarian: гибелен, пагубен
 * Dutch: ,
 * Finnish:
 * French:, , ,


 * Macedonian: погубен
 * Russian:, гибельный
 * Spanish:

Anagrams

 * superionic