Principal object
Problem and principal object are semantically related. in issue topic. In some cases you can use "Problem" instead a noun phrase "Principal object".
Problem
Problem noun - Something that requires thought and skill for resolution.
Principal object and problem are semantically related. Sometimes you can use "Principal object" instead a noun "Problem".
Nearby Words: problematic, problematical
Cite this Source
Problem and Principal object. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/principal_object/problem
Principal object & Problem. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/principal_object/problem>.
Problem or Principal object. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/principal_object/problem.
Google Ngram Viewer shows how "principal object" and "problem" have occurred on timeline