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Webster 1828 Edition

adv.

In a contentious manner; quarrelsomely; perversely.

contentiously ‎(comparative more contentiously, superlative most contentiously)

In a contentious manner

Italian: litigiosamente (it), polemicamente (it)
Russian: придирчиво (ru) ‎(pridirčivo), сварливо (ru) ‎(svarlivo), вздорно (ru) ‎(vzdorno)