| Partisiipin perfekti | adulterated | Imperfekti | adulterated |
| Partisiipin preesens | adulterating | Komparatiivi | more adulterate |
| Superlatiivi | most adulterate | Yksikön kolmannen persoonan indikatiivin preesens | adulterates |
| Yksikön kolmannen persoonan indikatiivin preesens | adulterateth (vanhahtava) |
(transitive) To make less valuable or spoil (something) by adding impurities or other substances.
"How the microscope reveals adulteration", microscope slide comparing rice starch (left) and arrowroot (right) and a mixture of the two (center), c. 1909