Cause for concern
Trouble and cause for concern are semantically related. In some cases you can use "Trouble" instead a noun phrase "Cause for concern".
Trouble
Trouble noun - An abnormal state that disrupts a plant's or animal's normal bodily functioning.
Cause for concern and trouble are semantically related. You can use "Cause for concern" instead a noun "Trouble".
Cite this Source
Trouble and Cause for concern. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/cause_for_concern/trouble
Cause for concern & Trouble. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/cause_for_concern/trouble>.
Trouble or Cause for concern. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/cause_for_concern/trouble.