move back and forth

be an advocate for v move very slightly v move or cause to move back and forth v change the arrangement or position of

be an advocate for v move very slightly v move or cause to move back and forth v change the arrangement or position of s causing or tending to cause anger or resentment

move back and forth very rapidly v

n a momentary flash of light n North American woodpecker n the act of moving back and forth v move back and forth very rapidly v shine unsteadily v flash intermittently

v move back and forth very rapidly