Word parts jitter + -y Pronunciation (UK) IPA (key): /ˈd͡ʒɪt.ri/ (US) IPA (key): /ˈd͡ʒɪt.ə.ri/ Adjective Positive jittery Comparative jitterier Superlative jitteriest A jittery person is someone who is tense or nervous. Synonym: jumpy A jittery display has unwanted movement of one or more signal characteristics.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads