adverb
- in a manner that is annoying, troublesome, or harmful
Usage: archaic or literary
Examples
- The flies buzzed pestilently around the picnic table.
- He pestilently interrupted every conversation with his complaints.
- The weeds grew pestilently throughout the neglected garden.
- She pestilently questioned every decision made by the committee.
- The old machinery pestilently broke down at the worst possible moments.