Standard Lemma guide

treasonable

adj · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American: Recorded audio is listed in the source snapshot.

1

adj

Meaning 1

Involving or constituting treason.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: seditious, traitorous, treasonous

Antonyms: none provided

2

adjective satellite

Meaning 2

having the character of, or characteristic of, a traitor

Definition source: Princeton WordNet 3.0

Examples

  • the faithless Benedict Arnold
  • a lying traitorous insurrectionist

Meaning relationships

Synonyms: faithless, traitorous, unfaithful, treasonous

Antonyms: none provided

History

Etymology

Etymology tree English treason Proto-Indo-European *-tḗr Proto-Indo-European *-dhlom Proto-Indo-European *-dhlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English treasonable From treason + -able.