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Webster 1913 Edition

Adj.

[Pref.

in-

not +

disciplinable

: cf. F.

indisciplinable

Not disciplinable; undisciplinable.

[R.]

Adj.

[in and disciplinable.] That cannot be disciplined or subjected to discipline; not capable of being improved by discipline.

indisciplinable ‎(comparative more indisciplinable, superlative most indisciplinable)