"tottering" in the verb sense
1. totter
move without being stable, as if threatening to fall
"The drunk man tottered over to our table"
2. toddle, coggle, totter, dodder, paddle, waddle
walk unsteadily
"small children toddle"
3. teeter, seesaw, totter
move unsteadily, with a rocking motion
"tottering" in the adjective sense
1. tottering, tottery
unsteady in gait as from infirmity or old age
"a tottering skeleton of a horse"
"a tottery old man"
2. tottering
of structures or institutions) having lost stability failing or on the point of collapse
"a tottering empire"
Source: WordNet® (An amazing lexical database of English)
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