Deep thought
Profound thinking and deep thought are semantically related. In some cases you can use "Profound thinking" instead a noun phrase "Deep thought".
Profound thinking
Deep thought and profound thinking are semantically related. You can use "Deep thought" instead a noun phrase "Profound thinking".
Cite this Source
Profound thinking and Deep thought. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/deep_thought/profound_thinking
Deep thought & Profound thinking. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/deep_thought/profound_thinking>.
Profound thinking or Deep thought. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/deep_thought/profound_thinking.
Google Ngram Viewer shows how "deep thought" and "profound thinking" have occurred on timeline