tee·ter 
/ˈti:tɚ/ verb
tee·ters; tee·tered; tee·ter·ing /ˈti:tɚ/ verb [no obj] : to move in an unsteady way back and forth or from side to side
▪ The pile of books teetered and fell to the floor. ▪ She teetered down the street in her high heels. — often used figuratively ▪ Our relationship teeters between friendship and romance. ▪ The bird is teetering on the edge of extinction. [=the bird is almost extinct] ▪ The countries are teetering on the brink of war. [=the countries are close to going to war]
▪ The pile of books teetered and fell to the floor. ▪ She teetered down the street in her high heels. — often used figuratively ▪ Our relationship teeters between friendship and romance. ▪ The bird is teetering on the edge of extinction. [=the bird is almost extinct] ▪ The countries are teetering on the brink of war. [=the countries are close to going to war]
