Irresponsible
Irresponsible adjective - Having or showing a lack of concern for the consequences of one's actions.
Sound is an antonym for irresponsible.
Sound
Sound adjective - According to the rules of logic.
Both words in one sentence
- Again, this makes him sound like a carefree irresponsible womanizer and sort of plays into the idea that he's got an affair with the wife but is possibly double-timing her.
Source: Rewatch Bonus - Expertly done in an episode of Irresponsible Captain Tylor, where the main character has a running conversation with himself which has little do with what several characters who come in one at a time have to say to him... but somehow manages to sound okay to them.
Source: One Dialogue, Two Conversations
Cite this Source
Sound and Irresponsible. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/irresponsible/sound
Irresponsible & Sound. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/irresponsible/sound>.
Sound or Irresponsible. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/irresponsible/sound.
Google Ngram Viewer shows how "irresponsible" and "sound" have occurred on timeline