- Definitions|2
- Thesaurus|180
- Abbreviations|0
| deluding(adjective, mean, bad, evil, base) | |
| devious(adjective, mean, bad, evil, base) | |
| dishonorable(adjective, mean, bad, evil, base) | |
| double-dealing(adjective, mean, bad, evil, base) | |
| duplicitous(adjective, mean, bad, base, false) | |
| extreme | |
| extremistic | |
| factious | |
| false-hearted(adjective, false, dishonest, untrue, unfaithful) | |
| falsehearted(adjective, mean, bad, evil, base) | |
| fickle(adjective, false, untrue, untrustworthy, unprincipled) | |
| fifth-column | |
| fifth column | |
| foresworn(adjective, false, fickle, untrue, untrustworthy) | |
| forsworn(adjective, mean, bad, evil, base) | |
| foul(adjective, mean, bad, evil, base) | |
| inconstant(adjective, false, fickle, untrue, untrustworthy) | |
| incontinent(adjective, false, untrue, disloyal, cheating) | |
| insurrectionary | |
| lying(fickle, untrustworthy, unprincipled, dirty-dealing) |
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| APA | Smart Define. (2015). treasonable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/treasonable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "treasonable thesaurus" https://smartdefine.org/treasonable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, treasonable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/treasonable/thesaurus/synonyms>. |
| MLA | Smart Define. "treasonable thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/treasonable/thesaurus/synonyms> |