Synonyms for Dilly-dally:

n.

loaf, futz around, lag, delay, poke, mark time, mess around, fritter away, fiddle around, knock around, reinvent the wheel, kick your heels, drag, kill time, tarry, trail, fast, loiter. dilly-dally (noun)
dillydally, procrastinate, drag one's feet, stall, shillyshally.

v.

procrastinate (verb)
filibuster, dawdle, procrastinate, linger, hesitate, dally, vacillate, stall.
stative (verb)
dillydally, procrastinate, drag one's feet, stall, shillyshally.
waste time (verb)
hesitate, linger, delay, dawdle, procrastinate, vacillate, loiter.

Other synonyms:

trail, tarry, lag, loiter. delay. poke. drag. trifle
futz around.
Other relevant words:
drag one's feet, trail, dillydally, tarry, lag, drag, delay, loiter, shillyshally, mark time, poke.