From Longman Dictionary of Contemporary Englishjitteryjit‧ter‧y /ˈdʒɪtəri/ adjective informal  WORRIEDNERVOUSanxious or nervous OPP relaxed It was probably the tension that made him jittery.► see thesaurus at  nervous
                                                    
                                                Examples from the Corpus
jittery• It was probably the tension that had him jittery.• Her movements seemed more jittery, and her quick smile during the introductions looked forced.• Financial markets are jittery, as a war looms in the Gulf.• They look like jittery, hysterical little birds crowded together on a power line.• jittery investors• Even so, talk of course alterations continued throughout the jittery months of 1938 but no expenditure was undertaken. 
