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Webster 1913 Edition

Adj.

Full of contention; contentious; quarrelsome.

[Obs.]

Spenser.

, a.

debateful ‎(comparative more debateful, superlative most debateful)

(obsolete) Contentious, argumentative, full of strife.
- 1590, Edmund Spenser, The Faerie Queene, II.vi:
  Debatefull strife, and cruell enmitie / The famous name of knighthood fowly shend [...].