Answer:

wobble

Answer	Crossword Clue
WOBBLE	Teeter
WOBBLE	Move unsteadily
WOBBLE	Show unsteadiness

WOBBLE	Rock.
WOBBLE	Vacillate
WOBBLE	Need leveling, perhaps

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.