Something that's restful soothes you or helps you to relax. At the end of a long, busy day, a hot bath can be restful.

Chasing your three year-old cousin around a playground in the hot sun for an hour isn't particularly restful, but you might follow that up with a restful nap in a comfortable hammock. Anything peaceful and quiet is restful. The word adds the suffix -ful, "full of" or "characterized by," to rest, which comes from a Germanic root meaning "rest, repose, or peace."

Definitions of restful

adj affording physical or mental rest

“she spent a restful night at home”
relaxing, reposeful
slumberous, slumbrous
quiet and tranquil
restless, uneasy
lacking or not affording physical or mental rest

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