1. present participle of murder; killing a person unlawfully and with premeditation or malice
Usage: archaic or dialectal spelling of 'murdering'

1. extremely difficult, unpleasant, or exhausting
Usage: informal; archaic or dialectal spelling of 'murdering'

Examples

• The detective was investigating the murthering of the merchant.
• That murthering heat made it impossible to work outside.
• He faced charges for murthering his rival.
• The murthering pace of the marathon left many runners exhausted.
• The old text described the murthering of innocents during the conflict.