murderingly en · ADV
Etymology
From murdering + -ly.
Meanings
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murderously
The conjugal companion of Mr Verloc had suddenly become ravingly, murderingly insane.
2007, Geoffrey N. Leech, Mick Short, Style in Fiction: A Linguistic Introduction to English Fictional Prose:[…] his conclusion was that Luther was murderingly jealous and that he was to be dreaded.
1899, Thomas Jondrie Vivian, Luther Strong: His Wooing and Madness, page 243: