Harmful
Harmful adjective - Causing or capable of causing harm.
Second rate and harmful are semantically related In some cases you can replace phrase "Second rate" with "Harmful", this terms are similar.
Second rate
Harmful and second rate are semantically related in very bad topic. Sometimes you can use "Harmful" instead an adjective phrase "Second rate".
Cite this Source
Second rate and Harmful. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/harmful/second_rate
Harmful & Second rate. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/harmful/second_rate>.
Second rate or Harmful. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/harmful/second_rate.
Google Ngram Viewer shows how "harmful" and "second rate" have occurred on timeline