1 candidly, frankly, openly, unreservedly, without reserve, unrestrainedly, without restraint, unconstrainedly, without constraint, unceremoniously, plainly:
2 willingly, spontaneously, readily, voluntarily, on (one's) own, independently, of (one's) own accord, of (one's) own volition or free will:
I didn't send for her - she came to me freely.
3 unrestrainedly, unrestrictedly, without restriction, without let or hindrance, without interference:
He was allowed to move freely about the island.
4 liberally, lavishly, unreservedly, generously, unstintingly, open-handedly, ungrudgingly, munificently, amply, plentifully, abundantly:
He has no money to donate but he gives freely of his time.
5 readily, easily, smoothly, cleanly, unobstructedly:
With the obstacle removed, the water ran freely through the pipes.