Definition of restless
1
: lacking or denying rest : uneasy
a restless night
2
: continuously moving : unquiet
the restless sea
3
: characterized by or manifesting unrest especially of mind
restless pacing
also
: changeful, discontented
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Merriam-Webster unabridged
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Time Traveler for restless
The first known use of restless was before the 12th century
See more words from the same century