Concern
Concern noun - An uneasy state of mind usually over the possibility of an anticipated misfortune or trouble.
Usage example: the recent crime wave has caused a great deal of concern in the neighborhood
Doubt and concern are semantically related. In some cases you can use "Doubt" instead a noun "Concern".
Doubt
Doubt noun - A feeling or attitude that one does not know the truth, truthfulness, or trustworthiness of someone or something.
Usage example: from the beginning I had my doubts about the investment scheme
Mutual synonyms
How words are described
| good | good concern | good doubt |
| initial | initial concern | initial doubt |
| true | true concern | true doubt |
| reasonable | reasonable concern | reasonable doubt |
| Other adjectives: single, deep, obvious, actual, real, constant, massive, big, extreme, great, serious, little, main, personal, major, slightest, last, several. | ||
Common collocations
Both words in one sentence
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Mama Bear: The Princess's response when XCOM sends a team to return Twilight to her home world is... excessive, but there can be no doubt that it was out of concern for her safety.
Source: Fanfic / Arad's Stardust
Cite this Source
Doubt and Concern. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/concern/doubt
Concern & Doubt. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/concern/doubt>.
Doubt or Concern. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/concern/doubt.
Google Ngram Viewer shows how "concern" and "doubt" have occurred on timeline