pestilent
UK[ˈpestɪlənt]US[ˈpestələnt]
adj
describing something that causes disease or is likely to cause an epidemic
adj
describing something that is harmful, destructive, or morally corrupting
Morpheme Breakdown
pest
i
lent
pest
plague
i
lent
full of
Etymology
the word pestilent traces a direct path from the latin adjective pestilentus, itself derived from the noun pestis, meaning plague or ruin. the suffix -lentus is a common latin adjectival ending denoting abundance, thus the original sense was "full of plague." this literal meaning evolved in english to describe anything disease-bearing or epidemic. through figurative extension, it broadened to characterize anything perceived as highly harmful, destructive, or morally contaminating, carrying the metaphorical weight of its deadly origins.
Analysis
Structure: pest (plague) + i + lent (full of)
pest originates from latin pestis, meaning plague, pestilence, or destruction. lent is a suffix of latin origin (-lentus), meaning full of or characterized by.
Examples
the swamp was a pestilent breeding ground for mosquitoes.
the play was condemned for its pestilent influence on public morals.
in the middle ages, pestilent diseases could decimate entire populations.