uyengkem noun English. Very short, vine-like weed having leaves which fold up at night or when touched, small, round, pink blossoms and thorns. Example sentence: Subanen. Ki guyengkem, ginis sigbet. Sa' gebii, megela' menguyepe', pu' mektulug dadema; muka' sa' pulegen mu, balu' mu dun dayun, migela' matay. English. Uyengkem is a variety of weed. At night it closes all up, because it goes to sleep too; and when you touch it, you would think it had all died. Generic. sigbet