Treachersome

adj

adj ·Uncommon ·Advanced level

Definitions

Adjective
  1. 1
    Characterised or marked by treachery; treacherous

    "Tom was now holding forth hotly upon the "onparalleled [sic] rascality and treachersome villainousness" of the Opposition in the Ontario Legislature. Elizabeth, her eyes alight, ran swiftly past the gate towards her father."

Example

More examples

"Tom was now holding forth hotly upon the "onparalleled [sic] rascality and treachersome villainousness" of the Opposition in the Ontario Legislature. Elizabeth, her eyes alight, ran swiftly past the gate towards her father."

Etymology

From treacher + -some.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.