Restless
Vine's Expository Dictionary of NT Words [1]
"unsettled, unstable, disorderly" (a, negative, kathistemi, "to set in order"), is translated "unstable" in James 1:8; "restless" in James 3:8 , RV [in the latter, the AV "unruly" represents the word akataschetos, signifying "that cannot be restrained" (a, negative, katecho, "to hold down, restrain"). In the Sept., Job 31:11 .]. See Unruly , Unstable. In the Sept., Isaiah 54:11 .
Webster's Dictionary [2]
(1): ( a.) Deprived of rest or sleep.
(2): ( a.) Not affording rest; as, a restless chair.
(3): ( a.) Never resting; unquiet; uneasy; continually moving; as, a restless child.
(4): ( a.) Not satisfied to be at rest or in peace; averse to repose or quiet; eager for change; discontented; as, restless schemers; restless ambition; restless subjects.
(5): ( a.) Passed in unquietness; as, the patient has had a restless night.