Not important
Unrelated and not important are semantically related. in not pertaining to topic. In some cases you can use "Unrelated" instead an adjective phrase "Not important".
Unrelated
Unrelated adjective - Lacking a logical or causal relation.
Not important and unrelated are semantically related. You can use "Not important" instead an adjective "Unrelated".
Cite this Source
Unrelated and Not important. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/not_important/unrelated
Not important & Unrelated. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/not_important/unrelated>.
Unrelated or Not important. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/not_important/unrelated.
Google Ngram Viewer shows how "not important" and "unrelated" have occurred on timeline