pernicious
From WikiWord, the free dictionary
/pəˈnɪʃəs/
English
Definitions
adjective
- Causing much harm in a subtle way.
- Causing death or injury; deadly.
Related words
Synonyms
atterydeleteriousharmfulnoxiousinsidiouspestilentdeadlysubtlebanefulinjuriousdetrimentaldamagingmalignantperverteddisastrousmalignnefarious