1. 濒临(危险的形势)
Teeter is used in expressions such as teeter on the brink and teeter on the edge to emphasize that something seems to be in a very unstable situation or position.

2. (人)步履蹒跚，踉踉跄跄;(物)摇摇欲坠，东倒西歪
If someone or something teeters, they shake in an unsteady way, and seem to be about to lose their balance and fall over.

1. a plaything consisting of a board balanced on a fulcrum
the board is ridden up and down by children at either end

Synonym: seesawteeter-totterteetertotterteeterboardtilting boarddandle board