The Collaborative International Dictionary of English v.0.48:
doddery \doddery\ adj. same as doddering[1]. Syn: doddering, shaking, tottering, tottery. [WordNet 1.5]WordNet (r) 3.0 (2006):
doddery adj 1: mentally or physically infirm with age; "his mother was doddering and frail" [syn: doddering, doddery, gaga, senile]