Characterized by or full of anguish; causing or expressing intense suffering or agony.
From 'anguish' plus the suffix '-ous' (full of, characterized by). This is a more formal or archaic variant compared to 'anguishful,' using the Latinate suffix pattern common in English.
This is a rare word—you're more likely to encounter 'anguished' in modern English—but the '-ous' suffix gives it a weightier, more formal tone, which is why it appears in older literature and legal documents.
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