"doddering" in the verb sense
1. toddle, coggle, totter, dodder, paddle, waddle
walk unsteadily
"small children toddle"
"doddering" in the adjective sense
1. doddering, doddery, gaga, senile
mentally or physically infirm with age
"his mother was doddering and frail"
Source: WordNet® (An amazing lexical database of English)
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