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Synonyms for Undisciplined (same or very similar meaning)

WordNet sense 1 (not disciplined or conditioned or made adept by training):
untrained

WordNet sense 2 (not subjected to correction or discipline):
uncorrected

WordNet sense 3 (not punished):
unpunished

WordNet sense 4 (lacking in discipline or control):
ungoverned

WordNet sense 5 (not being under control; out of control):
uncontrolled


From the ODE community, based on WordNetadd/edit