infest
v. US //ˌɪnˈfɛst// UK //ɪnfˈɛst// in·fest
From Middle English infesten, from Old French infester (“to infest”), from Latin īnfestō (“assail, molest”, verb), from īnfestus (“hostile”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Last updated April 17, 2026