/ ˈtiːtə(r); NAmE / verb
[ v ] to stand or move in an unsteady way so that you look as if you are going to fall :
She teetered after him in her high-heeled shoes.
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IDIOMS
- teeter on the brink / edge of sth
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WORD ORIGIN
mid 19th cent.: variant of dialect titter , from Old Norse titra shake, shiver.