EN

Synonyms for treasonous

Definitions

  1. adj. 1

    Like or in the way of treason.

    His treasonous actions earned Benedict Arnold eternal scorn.

Example sentences

  • disloyal My suffering comes from realizing you were disloyal.
  • seditious Do not disturb the soul with seditious truth; better a virtuous lie.
  • dastardly These dastardly acts will not go unpunished.

Popularity over time

Word1850 → 2019Trend
treasonousrising
disloyalsteady
traitorousrising
seditioussteady
treasonablefalling
dastardlyrising

Use in printed books, per decade from 1850 to 2019.

By length

6 letters
untrue2
7 letters
unloyal
8 letters
renegade3, disloyal3, apostate3, recreant
9 letters
faithless, seditious3, dastardly3
10 letters
unfaithful3, traitorous3, perfidious
11 letters
treacherous3, treasonable, unsteadfast

The small number after each word is its number of syllables (untrue2 = 2 syllables).