pestilential[adjective]Synonyms: deadly, dangerous, destructive, detrimental, harmful, hazardous, injurious, pernicious
[TahlilGaran] English Synonym Dictionary ▲
pes‧ti‧len‧tial /ˌpestəˈlenʃ
əl◂, ˌpestɪˈlenʃ
əl◂/ (
also pes‧ti‧lent /ˈpestələnt, ˈpestɪlənt/)
adjective1. literary extremely unpleasant and annoying
2. old use causing disease
[TahlilGaran] Dictionary of Contemporary English ▲