Questionable
Questionable adjective - Giving good reason for being doubted, questioned, or challenged.
Sound is an antonym for questionable.
Sound
Sound adjective - According to the rules of logic.
Both words in one sentence
- The sound effects are only there in the remastered version (one of the many questionable changes made).
Source: Offscreen Crash -
Moral Dissonance: The tactically sound but morally questionable strategies employed by Richard's armies on his instructions.
Source: Literature / Sword of Truth - Of course one further thing is that when pre-equalizing CDs, the mastering engineers often make questionable choices, such as cutting out the bass to make the music sound 'brighter'.
Cite this Source
Sound and Questionable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/questionable/sound
Questionable & Sound. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/questionable/sound>.
Sound or Questionable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/questionable/sound.
Google Ngram Viewer shows how "questionable" and "sound" have occurred on timeline