Entry 2 senses Webster, 1913 Restful /(r?st"f?l)/ · Rest·ful · IPA /ˈɹɛs(t)fʊl/ 01 a. Being at rest; quiet. 1. Being at rest; quiet. 2. Giving rest; freeing from toil, trouble, etc. “Tired with all these, for restful death I cry.” — Shak.