Synonyms:
indocile, uncontrollable, ungovernable, unruly
Meaning: of persons; "the little boy's parents think he is spirited, but his teacher finds him unruly"
Usage examples
I mount!" cried the professor in ungovernable excitement.
It is impossible for her to bear this suffocation any longer; she must have air; and in ungovernable rage she begins to lash out with her tail.
In the ungovernable astonishment of hearing his reply she suddenly bent forward, and for the first time looked him close in the face. He sustained her suspicious scrutiny with every appearance of feeling highly gratified by it.