teeter

verb (used without object)

1. to move unsteadily.
2. to ride a seesaw; teetertotter.

verb (used with object)

3. to tip (something) up and down; move unsteadily.

noun

4. a seesaw motion; wobble.
5. a seesaw; teetertotter.

verb

1. to move or cause to move unsteadily; wobble

noun, verb

2. another word for seesaw

v.1843, “to seesaw,” alteration of Middle English titter “move unsteadily,” probably from Old Norse titra “to shake, shiver, totter,” related to German zittern “to tremble.” Noun teeter-totter “see-saw” is attested from 1905.