Used mainly in books or poems, not in casual conversation.

Literary Expression

Think of 'forfend' as a historical way of saying 'protect'.

Old-fashioned Protection

Shows a strong wish to prevent something serious or bad.

Conveys a strong sense of prohibition, more than just advising against.

'Forfend' is more intense than 'forbid', indicating a bigger concern or risk.

Often has a weighty, serious feel, suggesting the prohibition is not taken lightly.