portend UK /pɔːˈtɛnd/US /pɔɹˈtɛnd/ verb2 •To serve as a warning or omen of.A kingdom they portend thee, but what kingdom, / Real or allegoric, I discern not; Nor when: eternal sure--as without end, — 1671 •To signify; to denote.Let it be known that the Rapture portends the End of Days. formsportended · portending · portendeth · portends