nengneng sta. to be slow in thinking; to lack judgment in making decisions; stupid. Deke on anusam di kinanengneng na. Be more patient with his stupidity. na‑, kina‑. Sim: ung-ung, gunggung; Sim: tabbed; Syn: gunggung. (sem. domains: 3.2.1.4 - Stupid.) languageOfBorrowing: Ilocano.