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Webster 1913 Edition

Adj.

[L.

Catonionus

Of, pertaining to, or resembling, the stern old Roman, Cato the Censor; severe; inflexible.

Adj.

Pertaining to or resembling Cato, the Roman, who was remarkable for his severity of manners; grave; severe; inflexible.

Catonian ‎(comparative more Catonian, superlative most Catonian)