treasonously en · ADV
Etymology
Etymology tree English treasonous Middle English -ly English -ly English treasonously From treasonous + -ly.
Meanings
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In a treasonous manner, or to a treasonous degree.
[…] British potters in Liverpool treasonously inscribed pro-American slogans on 1810s pitchers for the lucrative export trade ($2,000 to $6,000 at William R. and Teresa F. Kurau).
2009 January 23, Eve M. Kahn, “Conversation-Piece Buys, Maybe. Intriguing Histories, Definitely.”, in The New York Times, archived from the original on 08 Jun 2020:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| more treasonously | Degree=Cmp | lexicographic | |
| most treasonously | Degree=Sup | lexicographic |