Mindless
Mindless adjective - Not paying or showing close attention especially for the purpose of avoiding trouble.
Usage example: mindless of danger, the foolhardy skiers ignored the avalanche warnings
Thoughtful
Thoughtful adjective - Given to or marked by long, quiet thinking.
Usage example: was a quiet and thoughtful child who rarely spoke but when he did, he almost always had something worthwhile to say
Mindless is an antonym for thoughtful.
Both words in one sentence
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Over time or as they die more, they eventually lose all of their humanity and become Hollow — monstrous killing machines that, although not utterly mindless, don't seem to be capable of anything more thoughtful than wielding weapons and trying to kill all who cross their path.
Source: Our Zombies Are Different - However, in spite of his willingness to hit up humor, it's not mindless comedy and actually is quite canon-compliant, thoughtful, and free-minded, which is either wholly underappreciated or misused by lesser authors.
Source: Fanfic Recs / Fate/stay night
Cite this Source
Thoughtful and Mindless. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/mindless/thoughtful
Mindless & Thoughtful. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/mindless/thoughtful>.
Thoughtful or Mindless. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/mindless/thoughtful.
Google Ngram Viewer shows how "mindless" and "thoughtful" have occurred on timeline