| Date: | 1400-1500 |
| Origin: | ruly 'behaving well' (15-21 centuries), from rule |
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un‧ru‧ly

1 violent or difficult to control [= wild]:
unruly children
unruly behaviour
unruly children
unruly behaviour2 unruly hair is difficult to keep tidy
—unruliness noun [uncountable]
