The noun has one meaning:
Meaning #1:
the act of procrastinating
Synonyms: procrastination, cunctation
The verb shillyshally has 2 meanings:
Meaning #1:
be uncertain and vague
Meaning #2:
postpone doing what one should be doing
Synonyms: procrastinate, stall, drag one's feet, dilly-dally, dillydally
