The meaning of FUMIGATE is to apply smoke, vapor, or gas to especially for the purpose of disinfecting or of destroying pests. How to use fumigate in a sentence.
1520s, "scent with perfumes," back-formation fromfumigation. The older verb was simplyfume(c. 1400). Meaning "apply smoke or fumes to," especially for cleansing purposes, is from 1781. Related:Fumigated;fumigating;fumigatory. also from1520s ...