Meaning of the word pestilential in English

What does pestilential mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

pestilential

US /ˌpes.təˈlen.ʃəl/
UK /ˌpes.tɪˈlen.ʃəl/

Adjective

1.

relating to or tending to cause infectious diseases; harmful or destructive

Example:
The crowded conditions were pestilential, leading to widespread illness.
He described the swamp as a pestilential breeding ground for mosquitoes.
2.

annoying or troublesome

Example:
His constant complaining was truly pestilential.
The children's incessant questions became quite pestilential after a while.