pestilent
[adjective]
Synonyms:
- annoying, bothersome, irksome, irritating, tiresome, vexing
- harmful, detrimental, evil, injurious, pernicious
- contaminated, catching, contagious, diseased, disease-ridden, infected, infectious

[TahlilGaran] English Synonym Dictionary ▲

pes‧ti‧len‧tial /ˌpestəˈlenʃəl◂, ˌpestɪˈlenʃəl◂/ (also pes‧ti‧lent /ˈpestələnt, ˈpestɪlənt/) adjective

1. literary extremely unpleasant and annoying

2. old use causing disease

[TahlilGaran] Dictionary of Contemporary English ▲